Mako Mizukoshi (水越眞子)

Mako is a close friend of Nemu and is often concerned about her. She can be angered easily. She has had a rivalry with Suginami since elementary school and they often quarrel. During lunch, she can often be found on the rooftop with her sister Moe enjoying some nabe. She and her sister are daughters of a wealthy hospital director, and they have a younger brother.