looking for something

just randomly remembered a very specific scene manhwa? hua? basically char A/mc (?) is this office worker who has this savings account where he deposits money every time his boss ? somehow pisses him off and the whole bank account is just dedicated to save for a hitman/the assassination of their boss and i think there would be a part where the aircon in their office broke or smth! idk i randomly remembered it and thought it was funny if anyone could help me look for this TIA!!