Other names:
Ano Hito no I ni wa Boku ga Tarinai; あの人の胃には僕が足りない; Sachi's Monstrous Appetite; Her Appetite's Too Big for Me Alone; Её аппетит слишком велик для меня одного; 我无法满足那个人的胃; 저 사람의 위엔 내가 부족해
Funatsugi Maki is in love with a girl, who happens to have a voracious appetite. Little does he know, despite acting as normal as any middle-high-school-aged girl, she's actually an eldrich horror in disguise. Psychological horror and romantic comedy shenanigans ensue.