ATID-308 Affair secrets. At a ryokan during a business trip with a colleague… Sumaki Saishun.

Reika, who works in the sales department, suffers from her married life with a jealous husband. On this day, she will be staying at a nearby inn for a business meeting with her colleague Takeda and her business partner, but her suspicious husband vehemently opposes it. Takeda approaches Reika, who is exhausted by her husband, and forcibly takes away her lips.