Omega wa Pink no Yume wo Miru
Complete | Sakurai nanako | 2000 released
The tops is this stuck up alpha who buys a love poshion so he can drug his omega coworker well when the top gos to drug the coworker at the gim the coworker gives it to his freind a saposal betta whos very plain and he drinks it well the top finds out in the locker room that the betta is really a omega cus the drug ends up working on him so they bang and then the omega pushes the top and runs away
Murasame-kun na Tawagoto