Mifune (三船, Mifune?) starts off as not the nicest person along with her best friend Ogawa, she tried to pick a fight with Tomo Aizawa, which was a bad idea. But since it was a misunderstanding they have since become somewhat friends.
Mifune has bangs which splits in the center of her forehead, she also have a ponytail pulled to the back of her head.
During middle school Mifune's appearance was much more rule conforming with straight black hair and a neat uniform.
Mifune was shown to be an easily jealous girl as shown by how she and Ogawa felt about Tomo's relationship with Misaki-senpai. She was however quick to change her feelings about Tomo when she said she'd get them closer to Misaki.
Mifune along with Ogawa got jealous of Tomo Aizawa hanging around Misaki-senpai and confronted her about it, Tomo decided to help both of them get closer to Misaki after she confirmed nothing was going on between her and Misaki.