Bubbletea's feed

Reading this feel like watching what normal couple would do in any yaoi manhwa with doting seme and pampered uke to the max if you forget about the confinement thingy ╮(￣▽￣)╭ is the confinement even necessary at this point? He is not sadistic and soo considerate. Where the hell he get the idea that he is into bdsm?!