Kasumi Tani  

, 谷 かすみ

Kasumi is an 18-year-old college student who lives in a small wooden apartment building owned by her parents. Her window faces Kazuya's, so she uses a long ladder to visit him from his balcony to hers. She is close friends with Kazuya and often lets him get away with overdue rent payments. Kasumi is an athletic person who enjoys baseball and coaches the local little league team. Her uniform number is 33. She identifies as "boku," a Japanese male form of I, and has a kind side. She holds special feelings towards Kazuya and wears more revealing outfits when visiting him. Kasumi sees May, a Cyberdoll, as a friendly rival for Kazuya's affections.