12-Sai. Honto no Kimochi (12歳。ほんとのきもち) is a romantic adventure game for the Nintendo 3DS developed and published by D3 Publisher. The game is based on the popular Japanese manga series 12-Sai, which follows the story of two 12-year-old girls, Hanabi and Yui, as they navigate their way through the ups and downs of growing up. In the game, players take on the role of Hanabi as they explore her world and experience her struggles with young love. The game features a unique visual novel-style narrative, where players must make choices that affect the story as it progresses. Players will be able to interact with the characters and environment, explore different locations, and make decisions that affect the outcome of the story. In addition, the game features a variety of mini-games and activities that allow players to further immerse themselves in the world of 12-Sai. The game also features a variety of customization options, allowing players to customize their character's appearance, clothing, and accessories. Players can also choose from a variety of backgrounds and music to create their own unique story. 12-Sai. Honto no Kimochi is a charming and unique game that offers players a unique and immersive experience. With its unique visual novel-style narrative and interactive mini-games, players will be able to explore the world of 12-Sai and experience the struggles of young love.