How to keep your heart (1-8 volume latest edition)

Publisher: Kodansha
Author: Kotaniyoko
Size: 128mm x 182mm
Number of books: 8
Language: Japanese
Category: Girl manga, manga
Latest release date: 2012-12-06

Synopsis:
In other words, this is thrilling. Youth love story that is not Futu I, Naoyuki Tsuchiya. A healthy high school freshman. Recently, she has been born for the first time. Her name is Takada Shin. She is a messy and cute girl, but she seems to have a slightly unusual love desire ... Please give me her instruction manual !!