舛添 聖羅

She is the manager of a high-class club and one of the candidates for the Takeshi's maman. She has a refreshing personality and a mature way of thinking.

Seira herself was aware that she could never be Takeshi's mother. However, as she gets to know Takeshi, she thinks that it would be nice if she really was his mother...

She is a woman who frequently engages in activities with Mishima Sae. She loves boys who are full of youth.