Chizumi & Fujiomi

Chizumi is a high school student with Fujiomi, who is her senior by one year. However, the story continues on to when Fujiomi goes to college and Chizumi is still in high school. Chizumi is your average clumsy girl and Fujiomi your hot guy, which makes you wonder how the pair fits together. Indeed, many other characters in the story wonder the same thing and do not hesitate to test the limits of this peculiar relationship.
The first volume includes a short story called April Magic.

The series goes over 3 volumes, each with a different name:
1) Haru wo Matsu Koro
2) Pastel Kibun
3) Gin Iro Ehon