Ue no Okuchi to Shita no Okuchi to, Zenpen | Feed Me Down There, I'll Feed You Up Here Part 1 (COMIC Anthurium 2018-10)
Ue no Okuchi to Shita no Okuchi to, Kouhen | Upper Mouth, Lower Mouth, and... Part 2 (Pure x Shiko x Milk)
Chikyuu ga Achuachu dakara Kanojo ga Chintama o Fuufuu Shite Kureru Hon | It's So Hot That My Girlfriend Has To Blow Me Down There