I'm in love like an adult! (Volume 1 whole volume)

Publisher: Shogakukan
Author: Uchihara Kano
Size: 112mm x 174mm
Number of books: 1
Language: Japanese
Category: Girl manga, manga
Latest release date: 2014-07-25

Synopsis:
An elementary school student transforms into a high school girl with a fussy medicine! ?
Nana, a fifth grade of elementary school, can be transformed into a beautiful high school girl by taking "medicine to become an adult"! I can come up with a plan to give it only to Yoichi, a tutor, but ...? A high tension love comedy with a natural idiot Nana and a tsundere glasses that can't be obedient.