Each female lead presents a "cute" exterior that masks a hidden personality:
: Keiki's younger sister (later revealed to be non-blood-related) who is an exhibitionist . Where to Watch and Read Kawaikereba Hentai demo Suki ni Natte Kuremasu ka? Kawaikereba Hentai demo Suki ni Natte Kuremasu ka?
: A petite, puppy-like underclassman who is actually an extreme sadist . Each female lead presents a "cute" exterior that
: The busty president of the Calligraphy Club and Keiki’s senior. She is a hardcore masochist who wants to be his "pet". Kawaikereba Hentai demo Suki ni Natte Kuremasu ka?