1-3. Osananajimi no Baai
4. Kimi no Tenohira ni Taiyou
5. Anata no Hada ni Fureru made
6. Osananajimi no Baai - Otomari

Love triangle between two high school students, Komasawa Midori, a mathematics genius who's going to study abroad, his best friend, Kanou Arie who's distancing himself, and Komasawa's cousin Hanabusa Gin, a teacher at their school.(from B-U)