Neteiru Yuujin o Kimochiyoku Saseteageru Hon.
Ore no Sensei
Tomodachi To.
Tomodachi to Jikken Shite Miru Hon. Zenpen | A book about experimenting with your friend, part one
Tomodachi to Jikken Shite Miru Hon. Kouhen | A book about experimenting with your friend, part 2
