“Love isn’t for me.” That is what Tsugumi Koeda, a first-year high school student always told herself. Her small-framed, flat body has given Koeda a serious complex, making it totally impossible for her to ever imagine falling in love. That is, until one day when Masamune Sena, a boy from the next class sees her thin, boyish body by accident ... Since then, whenever Tsugumi's with the natural and frank Masamune, the feelings she’s held back, feelings that she wants to be “a girl” like everybody else start to grow more and more ... This is a pure and slow-step love story dedicated to all the girls who find things awkward when it comes to love!
Koeda promises Masamune that she won’t meet up with Kiyodo anymore. The hair clip Koeda dropped comes back to her and she begins preparing for Valentine’s Day! Meanwhile, Masamune who has assumed Kiyodo hurt Koeda ambushes Kiyodo on his way home from school … ! Are they finally going to rumble over Koeda?! And on Valentine’s Day, Kiyodo, of all people, shows up in front of Koeda who is waiting for Masamune!