You’re a high school student that’s inherited a Japanese sweets shop. Business is slow, but one day a cute girl shows up on your doorstep saying she’s starving! You bring her inside and try to feed her some sweets, but she states he can only eat “Zunda Mochi,” a specialty of Northern Japan! You somehow manage to find some and bring it back to her and she suddenly regains her strength! She says her name is Tohoku Zunko and that if you want your business to succeed, you need to start selling... Zunda mochi! She ends up staying with you to help your business, but things start to get a little crazy when her two sisters show up! Will you be able to take your store to the next level with her special zunda mochi? Will you be able to unlock the secrets of their hearts? A special collaboration between game studio Genius and Voiceroid/Vocaloid Tohoku Zunko.