Tandem Lover by Tetsuro Kasahara — Completed
- Chapter 1: Koda x Shima released Apr 24 '12
- Chapter 2: Kugawa x Sana released Apr 7 '13 Glasses
- Chapter 3: Kato x Aira released Jun 18 '13
- Chapter 4: Meru x Shima released Jun 20 '13
- Chapter 5: Mura x Tarin released Dec 8 '13
- Bonus Chapter: Sabella x Rumi released Dec 9 '13 Age gap Student x Teacher