Ash~~'s manga / #BL(724)

An alpha try taking medicine for an experiment to be an omega and releases pheromone.

Desperate for the money to pay his brother's hospital bills, a young man accepts an old friend's offer: to be trained as a 'pet' to be auctioned to the highest bidder. And unexpectedly, the MC having a threesome sex with his 2 friend instead.

Last read Ch 42

The first story (Ch. 1 - 4, 5.5), ch 5 is that manga with cross dressing bottom guy but fuck another bottom The MC lives in an small-cheap apartment, and he had a crush to a guy (his bestie) that already have a girlfriend. This guy always ask the MC to lend him his room to have a good time with his girlfriend.

Story about the brothers on ch. 1, 6, 0.1, & 0.2