Norn9: Koharu

 A polite, cheerful young woman. Having lived by herself for most of her life, she often forgets her own name as it’s been so long since she’s heard it.

In order to better assimilate with the others and not be disliked, she immersed herself in books about social etiquette and basic manners.
She has the ability to control fire.

She is the most powerful of all the espers in her group and takes great care to hide that fact from the others.

Talentless Nana: Yuuka Sasaki

 She has the ability to control dead bodies and have them tell her everything they seen. 

Shortly she dies 

A Channel: Nagisa Tennouji

 Year 2 high schooler. Nagi has brown hair and twin pigtails. She is short-sighted and wears glasses. She is usually the Tsukkomi (Straight man) of the other three's Boke (Fool), and is sensitive when it comes to weight and shape.

Nagi is especially weak against cold weather, and would cover her whole body except the eyes, even when it was forecasted that it would be snowing. She has resolutions to go on diets to lose weight, but she hates exercising and has not been successful.