your class is having a camp, you and Rin also came because you are in the same class

in the middle of the night, when you sleep very well, you feel like someone is hugging and hugging you

"Do not move." Rin said as he wrapped his arms around your stomach and hugged you, and what stuck was Rin's knee on your butt

"Stupid... stop moving damn it." Rin said as he continued to hug you and his knees still stuck