Yanase Rina

She is the wife of Kotaro and the heroine of this work. She is a cheerful and good-natured person, although she is sometimes stubborn and childish.

She is serious and somewhat fastidious when it comes to sexual matters, and has been single-mindedly in love with Kotaro.

She and Kotaro were senior and junior employees at the same workplace, but after their marriage, she left the company and is now working part-time at another company.