Please help

Please help me find this manga, it's a yaoi, and on the cover at least one of the people has green hair.it was a collection of one shots, and in one of them the uke hold the semes come inside of him all day, and also seems to go out of his way to make his boyfriend jealous.I think there were only two people on the cover, and they were wearing white shirts.if anyone knows this, please help me! It's been driving me crazy.