...'s manga / #Sakana Tomomi(5)

Main character was an omega who loves baseball, was raped when the first heat comes by baseball clubmates, the secondary was an alpha who can't control himself when the other omega was in heat rapes him, the 3rd one was a senpai alpha who was in love with the alpha guy and found out about the relationship between the two, puts a neck choker to locked the omega's neck not to be bitten by the second alpha. Inorder for an incident of heat rage of baseball clubmates not to repeat before, the alpha suggested to do it regularly to diminish the pheromones secreted during heat period so the omega only able to continue baseball by doing it with the 1st alpha which was captain of current club while he was the vice captain. Unknown to the 2nd guy, the omega was also doing it with the alpha senpai because senpai threatens to remove chocker and bit him if he doesn't follow, senpai only does it since he have no chance with the alpha guy even if both alphas knew each other longer than the omega one so he gets the leftover scent coming from the alpha through the omega guy.