Koshigaya Natsumi Seventh grader at Asahigaoka Branch School. The Hina dolls are dressed up all stuffy. Must be hot and hard to breathe. She totally couldn't stand it. Ichijo Hotaru Fifth grade transfer student from Tokyo. Someday, she wants to make a Hina doll set with Senpai as the Empress! Miyauchi Renge First grader, the youngest student at Asahigaoka Branch School. “Are all the Hina dolls musicians? They look like they're having so much fun playing their music!” Koshigaya Komari Natsumi's older sister. Eighth grader at Asahigaoka Branch School. She adores the Empress doll, because she's royalty and definitely the most stylish.