Boy Zurab Comic Love Affairs of the Kashiwagi Brothers DARIA COMICS

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Haru's problem as a high school student is that she looks like an elementary school student!
Her beloved brother, Aki, treats her as a child, and no matter how much she confesses, she doesn't take it seriously.
She is impatient because she wants to catch up with Aki as soon as possible, but I remember one time when she strongly wished "I don't want to be an adult" when she was a child.
Then something happened to Haru's body?
This is a slightly mysterious story of love. Short story & drawing collection!