The mc (bottom) first bought a toy from the side character seme with long white hair. But it seemed the toy wasn’t working so he called the shop up and wanted to see how they could fix the problem. But then when he heard the voice (ml) (tops) voice he started stimulating himself and then he got ashamed and hung up. He then went to the shop and the white haired side character asked if he could model some of his products and he agreed. The buff tan side character was an athlete he was very fit but he seemed uninterested in the white haired seme and I also think he was friends with the mc cause I have a vivid memory of them sitting on the swings together and it seemed he liked the mc. But the mc liked the black haired ml and soon after the long white haired side character chased after the tan buff uke and they had an open ending

Hey, I’m looking for a manhwa I once read and the mc had I think orange ish brown hair and the ml had blueish black hair.The side couple had an open ending with a white haired seme I’m guessing, and a tan buff uke with short black hair.