Being unemployed is annoying!
The collar is more annoying! ...but, would he get used to that collar?!

Despite his endless enthusiasm and flashy style, Koshiro just can't seem to get a girlfriend or even a date. To make things worse, the cute girls that ignore him all go flocking to aloof Kirihara who glides through life effortlessly and unaffected. In fact, the only thing that Kirihara seems to take enjoyment in is watching Koshiro's failures. Why do these opposites keep getting thrown together or is it more than just coincidence...

What happens when two semes want to take control: Takiyama sensei specialized in surgery, seme number #1 wants nothing more than than to seduce and devour Sakuma sensei specialized in pediatry, but there is only one problem, the latter is also a seme!!!!
The story of a seme vs a seme, and about who is going to be on top.