نانامی کانروجی

A friend of Sekai's that used to go to the same school with her. Nanami is in year 1, class 3. She was offered admission to the school based on her special athletic talents. Her boyfriend is also her senior and is in the school's basketball club. Her boyfriend is a hardcore otaku.

[Spoiler: She becomes extremely upset when a sex tape of her and her boyfriend is shown to many classmates as a cruel joke after the festival.]