다테나시 세이나

"Hello. My name is Seina Datenashi. Please take good care of me, haha."

She is a violinist who has made a name for herself by sweeping various competitions with her excellent violin playing skills since she was young. She is the only daughter of the prestigious Datenashi family, and she is quite wealthy.

She shows that she is quite interested in common people's culture, perhaps because she grew up rich. Thanks to her parents' true education, her character is excellent.