``I have a boyfriend, so don't get serious,'' Rin said as we piled up on the bed and looked up at me. - Tall at nearly 170cm, beautiful breasts, and a sharply curved waist... perfect figure. - Hearing my words, I thought his face turned into a devilish face for a moment, but then he wrapped his long hands around my neck and inserted his tongue into me. - He holds my waist with his legs and presses his crotch firmly against me. - He was constantly clinging to me, crawling all over my body and licking me, looking at me provocatively, shaking his hips and making me cum... - Immediately, a desire for possessiveness arises. - I want it to be something just for me. - I finally understood what she meant...