The fourth volume of the age-gap girls' love story between a high school girl and a woman in her thirties!! To support the talented JK (high school girl) Misumi, who is striving for her debut as a manga artist, the fujoshi OL (office lady) Aizawa (Ai) decides to accept the promotion offer that she has been turning down. Ai wishes for Misumi to live freely as her biggest fan, while Misumi wants to respond to those feelings. Their mutual feelings for each other grow stronger—!?