"Well, Shining Saotome-san is always full of surprises, nee~?" "That's why he found these kids..." "Then, STARISH! Your other job is to take care of them, okay~" STARISH spend their days like the usual. But, one day Shining suddenly announced that they would be.. Idol Babysitter?! They have to take care of 4 childs (which it wasn't clear but they were called Quartet Night) while doing their work as idol! Moreover the kids sometimes increase their work and Shining didn't say until when. Read to find out how they manage everyday!