Read manga: Kozure Ookami (INOUE Satou)

manga
Summary:

On the same day two men, each divorced and with a child, moved into the top and bottom of an apartment. Facing the same circumstances, they hit it off right away, and found themselves in a relationship visiting each other?s home often. But one night, due to a situation(?) blamed on alcohol, their friendship took a perilous turn?!?