Updated as the plot progresses
Characters:
MC: Jabami Yumeko
Jabami Jean - little Sister - Harem Member
Sengoku Chichiro -aunt - crush
Kamigusa Misaki - roommate
Kasumigaoka Utaha - Harem Member
Kato Megumi - sister friend
Rui Tachibana - Harem member
Hina Tachibana - crush