Soleil of Hakiwa (1-4 volumes)

Publisher: Shueisha
Author: Shiki Kawabata
Size: 112mm x 174mm
Number of books: 4
Language: Japanese
Category: Girl manga, manga
Latest publication date: 2017-06-23

Synopsis:
Yuki Tubari, a lecturer in the art class, was killed. The culprit was a boy called an "angel" going to the classroom. Five years later, Asahi meets Yuki's younger brother, Itsuki. Even now, when the incident is weathering, Itsuki wants to know the reason for Asahi, who believes that the angel is not the culprit, swears to explore the truth of the case.