Happy End wo Yakusoku shimasu

Successful businessman Kou Tsubaki is hopelessly in love with the jobless Kentaro Shimono. While attending a singles party, Kou bumps into Kentaro, who was a few grades above him in high school. The only reason Kou was there in the first place was to get over Kentaro... When Kou learns that Kentaro is homeless, he invites the older man to stay with him, and Kentaro doesn't mind showing Kou just how grateful he is. How will Kou react when the man of his dreams is right in front of him...!?

(Source: Renta!)