Misako Narusawa is Yui Narusawa's mother, residing with her daughter and the protagonist, Ryunosuke. She possesses long, wavy blue hair typically braided and parted in the middle, complemented by pale skin and amber-colored tareme eyes. Her slender frame measures 163cm tall, with a bust-waist-hips ratio of 86-58-87cm. Her wardrobe consists of practical, everyday attire including an apron, blouse, skirt, nightgown, yukata, hair tie, ribbon hair accessory, and towel.

Characterized by kindness, a strong work ethic, and a family-oriented nature, she manages a shop as part of her daily life. Within the narrative, she serves as a non-classmate romance option for Ryunosuke. Her background identifies her as a widow and single parent. Her routine involves household chores like cooking, cleaning, and preparing turndown service, alongside social activities such as drinking and enduring teasing from others.

She features in the original visual novel "Doukyuusei 2" and its "Special Disc" release, and also appears in specific animation sequences within the OVA adaptation.