i dont get it

ok .. a very shot explanation
uke was once a popular idol & was part of a pop band with 4 members but after the band got disbanded & everybody went their separate ways ...uke's popularity decrease....now at present he is dealing with issues & hire the seme , who is actuall a teacher but also works as hired "saddist" and now he got hired by the uke for dealing with his BDSM fetish....
Hope i didn't gave out too many spoilers