Bananalame's manga / #Prostitution(5)

ok so the plot is confusing me a little. i think that oikawa at the end is jealous (?) but idk. WARNING: SHOTACON AND PROSTITUTION

Sangwoo Yoon was climbing up the corporate ladder until he got caught sleeping with his boss’s daughter. Two years later, he’s back at the bottom of another soulless gig when he stumbles upon the famous CEO Jaehyun Han in a…compromising position. Now, Jaehyun wants Sangwoo to work under him. Is this the career defining break he’s been looking for, or a trap? it seems like almost everyone thinks that the ending was bad, so... EDIT. ok so probably people don't like the ending because it's open, and you don't actually know what will happen to Han. Also, everyone is shit, except the secretary