Intriguing Secrets (Yaoi Manga)

Uehara never liked his classmate, Mizue. But, one summer day, they're both in the same detention session and for some reason he can't take his eyes off of him! Confused, Uehara didn't know what to make of this situation... until Mizue asks him to be his model for his art assignment. Mizue plays if off cool, but is he feeling what Uehara is feeling? Or is he just playing games?