1-6. Gakuen Ura Service (学園裏サービス); Comic Hotmilk 2020-12, 2022-08, 2023-03,10, 2024-01, 10. 7. Gakuen Ura Service EX Seikatsu Shidouka (学園裏サービスEX 性活指導課); Comic Hotmilk 2021-05 8. Shishunki no Litmus (思春期のリトマス, The Litmus of Adolescence); Comic Hotmilk 2022-02