Guilty-The non-sounding firefly burns yourself ~ (1-13 volumes)

Publisher: Kodansha
Author: Ai Hill
Size: 112mm x 174mm
Number of books: 13
Language: Japanese
Category: Female manga, manga
Latest publication date: 2023-06-13

Synopsis:
Love. betrayal. despair. ――An adult love is always absurd.
35 -year -old Sayaka lives with a gentle and perfect husband. Even after 10 years after getting married, her husband did not make a child, and Sou was unable to tell her that she wanted a child.
It is the time to drink while talking to a younger friend, Rui (Rui), who clears such a refreshing feeling. Sou really trusted Rui and talked about anything.
However, Rui has a "secret" that is unknown to refresh-!?!?