Fall in XXX

Fall in XXX summary:

Both wear glasses, but their personalities are too different. Tadashi's senpai is studying hard to get into Tokyo University to chase after a girl, so they have become classmates at prep school. One night, his senpai invites Tadashi over to help study for the secondary exams. What will Tadashi do with the feelings that he's kept hidden for so long, now they're alone in his senpai's room...