Itsuwari no Hanayome, Chizome no Dress

Spring. April. Starting today, I'm a high school student. It's the beginning of a new life. On the day of the entrance ceremony, Ibuki reunites with his first love, Mifue, to whom he promised marriage when they were young. Ibuki thought Mifue was a girl, but as it turned out, Mifue was a guy.