Mika's Drug of Happiness Cominig to Steam

TOKYO, JAPAN – October 22, 2026.

Co-FUN Games is pleased to announce that Mika's Drug of Happiness, developed by GFF, will be coming to Steam!

Mika's Drug of Happiness is a business simulation adventure game in which players take on the role of Mika, a young traveler on a mission to bring happiness to humanity through a mysterious drug. 

Players will create and sell happiness drugs, spreading joy throughout the town of Sodomia. As more people experience the effects of the drugs, new events will unfold, allowing players to witness the growing influence of Mika's business on the town and its residents.

Along the way, Mika will befriend two human girls and experience firsthand the happiness her drugs bring to mankind. However, as an immortal being who struggles to understand human nature, Mika may not fully grasp the consequences of her actions.

As of October 22, the game is now available for wishlisting on Steam!
Steam: https://store.steampowered.com/app/4463780?utm_source=enpr
Johren (18+): https://www.johren.games/games/download/mikasdrugofhappiness-en-zh/

INTRO
Play as Mika, a young traveler on a quest to make waves in the human world with her drugs of happiness in this business-sim adventure game.


GAMEPLAY & FEATURES

Your mission is to bring humanity happiness with happiness drugs!

Make humans happy by creating and selling the concoction.

New events will be unlocked in town when more humans are happy.

Put the drug into circulation and get people hooked on absolute joy!

Mika will run her business in Sodomia, where she will become friends with a couple of human girls.

Through them, she will witness firsthand the happiness she brings to mankind.

CHARACTERS
Mika
Came from a distant land to bring humanity happiness.

Although Mika's mission is to distribute her happiness drugs and guide mankind to happiness, she herself is immortal and cannot understand mortal beings. Even so, she believes she is doing the right thing and is devoted to her task.

Rafa
Great at crafting things.

Upon Mika's request to make humanity happy, Rafa concocted the drugs.

She craves to test them on people, but doesn't want to upset "Mother." Luckily for this manipulative wretch, Mika's arrival presents the perfect opportunity to pin the blame on her.

PRODUCT INFORMATION
Title: Mika's Drug of Happiness
OS: Windows
Players: Single-Player
Developer: GFF
Publisher: Co-FUN Games, Shiravune
Languages: English, Traditional Chinese, Simplified Chinese
PLATFORMS
Steam, Johren (18+ Adult Version), Other Platforms TBA
PRICING DETAILS
TBA

ABOUT CO-FUN GAMES
Based in Japan, Co-FUN Games is dedicated to delivering popular Japanese doujin (indie) games to players around the world. The brand name is inspired by the Japanese word for “excitement” (興奮, kōfun), with a playful twist that combines the Japanese pronunciation “FUN” and the English word “fun,” symbolizing the goal of creating games that many players can enjoy.

Steam Publisher Page: https://store.steampowered.com/publisher/cofungames
X: https://x.com/CoFUNGames
Discord: https://discord.gg/RRZwH7q7zU

© Co-FUN Games