Tight Rope Manga??????, Taito Roopu, Tight-rope, Tightrope
Chapter 1-4: The son of a sick mafia boss is constantly pressured to inherit his position as the "5th". However, Ryuu wishes for nothing other than to marry Naoki and have a happy family. How will this go?
Chapter 5: Doushiyoumo Nai Keredo Continuation
Chapter 6: Tight Rope Extra, Also contains a chapter related to Doushiyoumo Nai Keredo.