This girl is a fictional one. (Volume 1-4 full volume)

Publisher: Kodansha
Author: Shizu Watanabe
Size: 112mm x 174mm
Number of books: 4
Language: Japanese
Category: Shonen manga, manga
Latest release date: 2011-11-17

Synopsis:
You're the one who made such a woman? Take responsibility!
Appeared "her (Michiru)", which is perfect (perfect) without common sense, unusual, unnecessary (perfect)! Yuri Hamura has a "secret hobby" that has been going on for 10 years. It is to create the original character "Michiru". Yuri, who fell in love with a real (real) girl, decides to abandon her hobby, but at that time, what appeared in front of me ...!?
Extreme love story (Ultimate Love Story) with unpredictable development!