Rae's manga / #Shounen Ai(66)

MC needed to move out so on a whim he called a hotel/onsen place and got a job on the spot. His superior offered to give him a ride to visit his "girlfriend", where the MC found out his lover was cheating on him. Trying to comfort him, his supervisor let him know that he batted for the other team in the past. Now MC is interested in him

Haebom lost his parents due to an accident so his moms friend took him in, which her son, Taesung was completely against. Haebom and Taesung used to be best friends but have drifted apart since Haebom moved in.