Growing up happened all at once. Nohara Shinnosuke had no idea how long it took before he started to "grow up." In the blink of an eye, he went from five to fifteen. By the time he realized it, his once carefree daily life had grown heavy with the worries about growing up that weighed on those around him.
But what did that have to do with him? He was Nohara Shinnosuke: an idiot who was easy to misunderstand, loved older girls, caused trouble, and happened to be a handsome high school student.
"What? You're happy staying by my side? Honestly, you people are impossible. If you insist on joining my coming-of-age story, pay me ten billion yen. You can take out a loan."
