18+ Paff Paff!

Collection of short stories:

1. Anniversary
2. Zero

3. If You Want To Build A Beautiful Japan, Then First Clean Up The Thrash (Fragmented Love)
Ryou is trying his hardest to study for his upcoming exams. The courses his taking are hard enough to study for but his home situation just makes its worse. Mitsuki, Ai and Mai are three beautiful and insatiable young ladies who live with Ryou and who also happen to be his sisters. Will their insatiability when it comes to their brother Ryou leave him with enough energy to study and pass his courses? Or will they leave him tired and fully drained?

4. Trauma
5. Chin Up! Temptation Teacher!!
6. A Shard Of My Memories
7. Budding Star
8. Sweet Rain
9. The Late Bloomer
10. Loser Things
11. Secrets

(Source: MangaUpdates)