Ookami Papa wa Hitsuji Tsura shite Yatte kuru

狼パパは羊ヅラしてやってくる · Wolf Papa in Sheep's Clothing

Genres: Slice of Life Yaoi Romance
Authors: Kurusu Haiji

From Exiled Rebels Scans:

Chapter 1-3: Hagiwara Tatsumi is given three tickets to a super hero show geared towards children from a client at his job. When he is complaining about the fact that he will never use them, he meets Maki Yuuto, who asks if he can take them for his son.Tatsumi admits he is gay, and only has one rule: Never fall for a man with a home. But then Tatsumi meets Maki Ritsu, Yuutos son and breaking his rule, by falling for a man with a home, seems like the most normal thing in the world.

Chapter 4: Jun and Kazutaka have been dating for two years when Kazutaka asks Jun to live with him. The two work together and during one night of drinking, Kazutaka finds out that Jun becomes a kissing demon with any intake of alcohol!

Extra: Kiss Akuma wa Hyakumankai Ai wo Chikau