Teaching Assistant, You Were Screwed?!

Teaching Assistant, You Were Screwed?! summary:

After being haunted by rumours, because of his previous Sekpa* Slang for sex partner, Beom - who had become sick of it, vowed never to get entangled with another guy from the same school again. But he fell for Mi-Jeong, whose face, figure/body and part (important) were his type! And ended up having a one-night stand with him.He thought that was it until Mi-Jeong begged him to do it again and he had no choice but to say yes.But he was surprised when he saw what Mi-Jeong had for him at the hotel.Cuffs, blindfolds, straps.. what's all this?"Hyung, please use this Oh and, it's for me."