A person is laying on a bed with a towel on it. It hints at a private adult-oriented moment continuing just beyond the frame.
Natsu。 @na__tu__sb

【在社团秋季迎新会上带回家的19岁一年级生】 明明毫无经验，小小的身体却不停颤抖高潮，太可爱了。 偷偷从二次会溜出来，结果完全被朋友发现了w