If you think about it Rentarou already have two members of Shadow

I Just Want to Have Friends - TV Tropes

It wouldn't be fair if Rentarou the best boyfriend that even us we Really, Really, Really, Really,Really love don't get his own compilation of kisses so here's part 3 : r/100Kanojo

Shirousagi killed the two kunoichis ------------------------- Anime: T, Anime

Ara Astaroth (Pre-Reboot), Legends of the Multi Universe Wiki

The 100 Girlfriends Who Really, Really, Really, Really, Really Love You Vol. 4 by Rikito Nakamura, Nozawa Yukiko, Paperback

i'm starting to think that the authors have a thing with Rentarou dressing girls clothes. : r/100Kanojo

yandere – RABUJOI – An Anime Blog

yandere – RABUJOI – An Anime Blog

Aijou Rentarou (Character) - Comic Vine

eccentric – RABUJOI – An Anime Blog

When will Rentarou lost his virginity : r/100Kanojo

Z-Shadow-0 - Hobbyist, Digital Artist

Fall 2023 Anime releases: A Really, Really, Really, Really, Really packed season