ImBored2020's manga / #childhood friends(2)

2 omegas, like each other but don't get together..at first. goes into heat 2 times and then they get into a relationship, switches.

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.