ImBored2020's manga / #Family Rivalry(1)

Heat and Run

Complete | Hong Ssona | 2000 released

MC has family rivalry with ML. ML thinks MC is an alpha like him. MC is an omega. MC's brother is an Omega and is dating ML's alpha brother. A trip between the younger couple occur, and the older brothers meet once again. Misunderstandings and some jealousy occur. Consensual, happy ending.