Nanase Sena

Ichigo's underclassman who is professional novelist. Ever since she was young, she has studied how to write novels from all kinds of books. She is very hardworking and confident of her own work. Often wears glasses when writing her novels and when she is completely concentrating on her work. Also Momoka's next-door neighbor and childhood friend.

Spoiler

Her pen name 夏天すとら is an ateji of the Kama Sutra.