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The narrative follows a female protagonist who is typically overlooked in her school environment. She wears plain clothes, glasses, and keeps to herself. The plot is set in motion when she interacts with a male lead—often depicted as a popular or forward classmate—who takes an interest in her.

The plot kicks off when Hachiya’s department head dares him to invite the "plain" Rena out for a drink. Expecting a boring evening, Hachiya is shocked when Rena transforms into a stunningly beautiful woman outside of office hours. Their unexpected encounter quickly escalates, leading them to a love hotel and marking the start of an intense relationship. Release Date: The series premiered on January 3, 2021 .