An adult is nude on a bed in a rear-facing pose, with the camera looking down from behind in low light. Likely next moment: the person rocks forward or changes position on the bedding.
兎 @usagi_bocchi_

エッチをするとよく眠れるので、よく寝たいときはお尻を突き出してます🐰 問題はたぶんお隣さんに下品な喘ぎ声がまる聞こえなことです、、、