[Natitama (Isako, Rua)] Yakumo Senpai to Yusuke-kun Diet-hen! Hentai [なちたま (いさこ, るあ)] 八雲先輩と雄介くん ダイエット編！

[Jinsei Saigo no Asobi. (Sakura Ryota)] Buhi o Kasegu Senpai! | Earn That Club Money Senpai! (Tejina Senpai) [English] {Doujins.com}

Yakumo and Yusuke

[Natitama (Isako)] Yakumo-Senpai to Yuusuke-kun Inmu Hen [Digital]

[Natitama (Isako)] Yakumo-Senpai to Yuusuke-kun Inmu Hen! | Yakumo & Yusuke Explicit version! [English] [Digital]

[Naitama (Isako)] InCha-kun to Furyou-kun|陰沉君跟不良君 [Chinese] [Digital]

Buhi o Kasegu Senpai! | Earn That Club Money Senpai!

[PROJECT VALKYRIE (Yakumo Sakae, Urabe Katsuto)] Tower Of Shadows (Tower of Druaga)

(C67) [Maruarai (Arai Kazuki)] Benkyou no Jikan | Study Time (School Rumble) [English]

Touhou Meiko ~Yakumo Ran Hen~ | Lost in Touhou ~Yakumo Ran Edition~

(C95) [Maruarai (Arai Kazuki)] Micchaku Suru Hodotooi Kyori (Seishun Buta Yarou wa Bunny Girl Senpai no Yume o Minai)