Suki ni Naru Sono Shunkan wo.: Kokuhaku Jikkou Iinkai

"Their initial encounter couldn't have been any more disastrous— Yet, even before she realizes, Hina finds her heart racing. Drawn to Koyuki, a former upperclassman at her middle school, Hina is determined to go to the same high school as him, and hits the books with a vengeance. Along with her childhood friend Kotaro, she enrolls at Sakuragaoka High School. Meanwhile, the unhip Koyuki gets a makeover for the sake of an unrequited love over summer break, and he suddenly finds himself becoming the "major catch" among the female students. That is when Hina decides to confess her love..." (Source: Aniplex USA)