site link:
https://seiken-gakuin.fandom.com/wiki/Seiken_Gakuin_Wiki
https://docln.net/convert/10087-seiken-gakuin-no-maken-tsukai

another doujinshi sample site:
https://e-hentai.org/g/2230804/d976f2bea6/
https://e-hentai.org/g/2230838/770bc42da1/

another doujinshi sale doujinship: toranoana, buyee.jp, yahoo auction, suruga-ya, mandarake, ruten

big sister, hehe 🤤🤤

Resolution is a bit low tho

Base +6

当年冲着插画看了十卷小说，只能说完美诠释了什么叫画师拯救厕纸

Base +3