冬條 未来

She is the protagonist's classmate and step sister of the same age. Friendly and good-natured, Miku is a popular person at the school.

She has a tendency that makes her want to take care of her brother, the protagonist. She has a history of failing whenever she tries to take care of him.

It seems that the protagonist always helps his sister. She is a bit of a klutz, but her natural brightness will make up for it!