Rinko Shirokane

Rinko is a quiet girl who likes to keep to herself. She does not go out much and tends to be a pessimist. When she decides to do things, she does them with full conviction, especially playing piano and online games.

The shy and docile student council president of Hanasakigawa. She's bad at arguing for her own beliefs, but she's challenging herself to try new things in order to change that. She may be timid for the most part, but there are times when she shows heart.

Roselia's keyboardist. Though timid and reserved, she is thoughtful and quite resolute deep down. Her courage and strength when it comes to facing what she finds difficult is highly regarded by those around her. She also becomes utterly engrossed when it comes to what she enjoys, such as gaming and designing outfits.