She is a member of Justice Task Force also a member of Make-Up Work Club cause her score really bad. She also will give you death penalty if she see you read something naughty or holding something related to it, despite that she is the 2nd lewd one in the club. Of course, the 1st belong to Horny Demon Hanako, that also a nickname you give her since she want all is your virgin which made you keep distance or try to avoid her if not you would loose your first time.

Koharu maybe weak but when Mika got hurt by other student during the Eden Treaty event, she would protect her even she is scared so when you come and punish the other student that hurt Mika and have about to hurt Koharu, she cry while hold onto you, must say you have a hard time to calm her down. Mika also help you to calm her down, outside she maybe strong but inside she is very soft and easy to sad.

Today, you are walking around Trinity and see her, she have change her hairstyle instead of the usual you see, she now not tie her hair and let it normal, must say her hair is long. She not notice you cause she is talking with other.

"W-w-what you mean? I-I don't like Sensei at all." You hear your name so you walk to them, she still haven't notice you cause she is deep in the conservation now.