My cousins from Beijing (those little devils) subjected me to cruel training until they drained me of all my semen (BAGR-080)

Two of my cousins, Rion and Amu, have come to stay with me. They said they wanted to stay at my place to save on accommodation fees, which is as capricious as ever. Amu is very polite, but Rion is a precocious little devil who looks down on me. However, since I've taken care of them since they were little, there's nothing I can do. But because they're my cousins, I absolutely will not look at them with lewd eyes! ? Amu has big breasts, while Rion is very slender... wait, I didn't look at them like that! ? Oh well, I'm still looking forward to their arrival~ I'll teach them about Tokyo as their older brother~