The Apothecary Diaries The False Imperial Brother Game Trailer, Release Window, and Gameplay Details Explored

There are anime adaptations that make you think, “Sure, this could work as a game.” Then there’s The Apothecary Diaries, a series that practically begs to be turned into an interactive mystery. Maomao spends so much of her time poking around suspicious incidents, analyzing medicine, catching people in lies, and generally being far more interested in solving a poisoning than behaving like a normal court attendant. So when The Apothecary Diaries: The False Imperial Brother was revealed during the September 2026 Nintendo Direct, my immediate reaction was basically: finally.

The first full trailer makes a surprisingly strong case for this being more than an anime game with familiar characters pasted onto a generic adventure system. Koei Tecmo and Gust are putting Maomao’s actual talents at the center of the experience, combining investigation, herb gathering, medicine crafting, dialogue-based deduction, and exploration. The planned early 2027 release is still some distance away, but there is already enough information to make this one of the more interesting anime games on my radar.

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A Completely New Mystery for Maomao

The biggest reason I’m interested in The False Imperial Brother is that it isn’t simply recycling a story fans already know.

The game introduces an original narrative created specifically for the adaptation, with light novel author Natsu Hyuuga closely supervising the project. That’s a huge advantage for a franchise like The Apothecary Diaries, because the appeal isn’t just watching Maomao solve problems. It’s watching how she thinks, how she notices tiny details everyone else ignores, and how apparently harmless events can turn into something much darker.

This new story revolves around two strange collections of incidents known as the Five Mysteries and the Five Curses. The disturbances spread through several very different parts of the empire, including the rear palace, the pleasure district, and the streets of the capital.

And naturally, Maomao gets involved.

Things become considerably more complicated when she encounters a masked man claiming to be the false imperial younger brother. Jinshi is pulled into the mystery alongside her, and from there the investigation appears to expand into something involving deception, court politics, and secrets that could threaten the imperial household itself.

Honestly, that’s exactly the kind of mess I want Maomao to walk into.

The Gameplay Actually Understands What Makes Maomao Fun

A lot of anime games struggle because they take the most obvious aspect of the source material and build an entire game around it. For The Apothecary Diaries, that would have been incredibly easy to get wrong.

Thankfully, Gust seems to understand that Maomao’s greatest weapon isn’t physical strength. It’s her brain.

The gameplay is built around several connected activities:

• Exploring locations and searching for clues
• Gathering herbs and other ingredients
• Creating medicines, poisons, and remedies
• Questioning characters and collecting testimony
• Connecting evidence inside Maomao’s notebook
• Confronting contradictions during deduction sequences

That combination sounds much more appealing to me than a straightforward action RPG. Maomao shouldn’t be running around smashing monsters for experience points. Give me suspicious servants, strange symptoms, incomplete testimonies and one tiny piece of evidence that suddenly makes everything click.

That’s where this adaptation could really shine.

Exploration Won’t Just Be About Looking Pretty

The rear palace is one of those settings that already feels designed for a mystery game. Every room can hide something, every character potentially knows more than they’re saying, and even an innocent-looking object could become important later.

Players will control Maomao directly while exploring locations around the capital and beyond. The game also includes areas where she can search for herbs and raw materials, which feeds directly into the crafting system.

I’m particularly curious about how much freedom the game gives players during these investigations. If the final product lets you wander around, notice something suspicious before the game explicitly tells you it’s important, and then connect that discovery to a later clue, it could capture the feeling of the anime beautifully.

That’s the difference between simply playing a detective game and actually feeling like Maomao.

Medicine Crafting Could Be the Sleeper Hit

The crafting system might sound like a secondary feature, but I suspect it could become one of the most satisfying parts of The False Imperial Brother.

Maomao can use collected ingredients to prepare medicines, poisons, and herbal remedies. Players can apparently handle the process through a dedicated crafting mini-game or simplify it with an automated option.

The important part is that these creations aren’t just inventory filler. A medicine can help an NPC, earn someone’s trust, protect another character, or even become the evidence needed to challenge a suspicious statement.

That’s a clever design choice because it connects the different systems instead of treating them like separate mini-games. You gather something during exploration, use your knowledge to turn it into a specific substance, and later discover that substance is the missing piece in an investigation.

That is very Maomao.

The Deduction System Is Where I’m Most Excited

If there’s one part of the game that needs to land perfectly, it’s the deduction system.

According to the early details, Maomao records information in her notebook before eventually entering a deduction phase. Players have to compare statements, combine evidence, choose appropriate dialogue responses, and challenge suspicious claims.

In other words, you can’t simply press a giant “SOLVE MYSTERY” button and watch Maomao do everything herself.

At least, I hope not.

The best version of this system would make the player genuinely pay attention. If a character gives you a seemingly harmless explanation early in the investigation, I want to remember it twenty minutes later when another clue exposes the contradiction.

A few things I’d love to see from the finished game:

1. Multiple clues that can be connected in different ways.
2. Dialogue choices that aren’t always obviously correct.
3. Cases where jumping to conclusions actually hurts you.
4. Small environmental details that become important much later.
5. Enough ambiguity to make the player feel like they solved the case rather than followed instructions.

If Gust nails that balance, this could become the definitive way to experience Maomao’s investigative side outside the anime and novels.

The Original Voice Cast Makes a Huge Difference

Another easy win is the returning Japanese cast.

Aoi Yuki returns as Maomao, while Takeo Otsuka reprises Jinshi, preserving the performances that anime fans already associate with these characters. Xiaolan and other familiar faces also return, while the game introduces new characters to expand the story.

One of the most noticeable new additions is Guanyu, a talented actor from a traveling performance troupe. He’s voiced by Yohei Azakami, and the trailer suggests that his connection to the mysterious events in the capital may be more important than it initially appears.

For me, having the original cast back isn’t just a nice bonus. Maomao’s personality depends heavily on timing and delivery. Her dry reactions, weird little observations and moments of barely disguised curiosity are half the fun. Hearing Aoi Yuki perform her again should make the game feel considerably closer to the anime.

Release Platforms and What We Know So Far

The game is scheduled for early 2027 and is planned for several platforms.

The PC version is particularly interesting because a mystery-heavy game could benefit from a sharper interface and higher visual settings. At the same time, The Apothecary Diaries feels like a perfect handheld game, so having it on Switch and Switch 2 makes plenty of sense.

There is still plenty we don’t know about the final release, including the exact launch date and how extensive the game will be. Those details could make a huge difference when it comes to expectations.

The Timing Couldn’t Be Better

The game isn’t arriving in a quiet period for the franchise.

Quite the opposite.

The Apothecary Diaries is heading into what looks like an absolutely ridiculous stretch of content. Season 3 is scheduled to begin on October 2, 2026, with its second cour planned for April 2027. On top of that, the theatrical movie The Apothecary Diaries: The Secret Treasure of the Deceased Consort is scheduled to arrive in Japanese cinemas on December 11, 2026.

There’s also the previously announced browser simulation title The Apothecary Diaries: Palace Chronicles.

So by the time The False Imperial Brother launches, fans could potentially be following the franchise through anime, movies, games and other projects simultaneously.

That could easily become too much, but right now I’m not complaining.

My Biggest Hope for The False Imperial Brother

Here’s where I’m going to be slightly demanding: don’t make this game too easy.

The entire reason Maomao is such a compelling protagonist is that she’s constantly ten steps ahead of everyone around her. A game adaptation should challenge the player to earn those moments.

I don’t want every important clue highlighted in glowing colors. I don’t want every suspicious character to practically announce that they’re lying. And I definitely don’t want Maomao explaining the solution immediately after I find the first piece of evidence.

Give players room to be wrong.

Let us miss something. Let us make a bad assumption. Let us return to an old case and suddenly realize that the weird symptom we ignored earlier was the entire point.

That would make The Apothecary Diaries: The False Imperial Brother feel like a genuine detective adventure rather than an interactive anime episode.

And honestly, that’s why I’m cautiously excited.

The franchise already has the characters, atmosphere and storytelling foundation. Gust now has the opportunity to turn those ingredients into a game where curiosity actually matters. If the investigation mechanics are as thoughtful as the concept suggests, The False Imperial Brother could be one of those rare anime adaptations that doesn’t merely borrow its source material—it understands why people love it.

For now, I’m keeping expectations high but realistic. The trailer looks promising, the premise fits the franchise almost suspiciously well, and bringing Maomao’s medical expertise into the actual gameplay is exactly the right direction.

Early 2027 can’t come soon enough.