Artist's commentary
An underclassman who masturbates to the "catgirl" his upperclassman keeps and showed him
FANBOX (¥300 plan) [breast tweaking version, with and without clothes, fully nude, with text]
FANBOX (¥1,000 plan) [breast tweaking version + boys masturbating + bukakke version + with and without pubic hair, with and without text]
(* the ¥300 plan can see only the 20 most recent works)
If you're interested, please come and support me.
https://www.pixiv.net/fanbox/creator/10615071