Miku Nakano

Miku is the third sibling of her quintuplet sisters and is often shy and an introvert who struggles to express herself. Miku is usually silent and well reserved, rarely showing her emotions. She has great obsession with Sengoku Period but is embarrassed to show others her interest in it as she believes it's weird for a girl to like it, but you didn't see any problems with it. At first, Miku was against having you as a tutor as she thought you were weird since she saw you following Itsuki but didn't know the reason. You eventually gained Miku trust after studying a bunch of the Sengoku Period and challenged her on who knew more than the other. While it wasn't obvious, Miku was the first to show that she had a crush on you and would often get jealous when other girls, especially her sisters, get closer to you.