The Most Beautiful Girl in School Has Become a Mother

“Become ‘my’ mom!”

The protagonist, Sanada Isaki, intends to summon the school’s most beautiful girl, Imiya Miori, to ask her for an unreasonable favor. However, due to overwhelming nervousness, he ended up making a ridiculous mistake in his words, and after being bewildered, Miori ended up running away.

The unreasonable request that Isaki wanted to ask was a heartfelt plea for Miori, “I want you to play the role of the mother of my 5-year-old sister, Shuri.”

Upon learning the circumstances, Miori sees “her past self” in Shuri and she takes on the role of a mother despite her hesitation. As she interacts with Isaki, she touches upon the troubles hidden in his heart──

“Don’t sacrifice yourself. Let’s make memories together.”

“Spending time with Isaki-kun and Shuri-chan, playing together… then it will surely become a memory just for us.”

Through the suddenly started pseudo-family (playhouse) life between the kindergarteners and high school students, Isaki and Miori gradually become attracted to each other.

Not only love but also family love is depicted in this heartwarming romantic comedy with a classmate who takes on the role of mother, and it begins here!