d_8709's manga / #cutest couple ever(1)

Series Order: 1. Doukyuusei 2. Sotsugyousei 3. Sora to Hara (Side Story) 4. O.B. 5. Doukyuusei & Sotsugyousei Fanbook (Side Story) 6. Graduation Certificate (Artbook) 7. blanc 8. Futari Gurashi