Ritsu, who gained weight after entering university, is on a diet using the "Eat and Lose Recipe" created by Luka. In order to maintain her dignity in front of her junior club members, Ritsu is tirelessly working hard, but she is faced with various trials (?). Will Ritsu be able to return to her former self by the deadline─?! A happy eating and losing life comedy brought to you by a gluttonous girl and a girl who trains her with food!!