This Encounter Will Last Only Two Hours

https://www.cmoa.jp/title/365304
Heartbroken and emotionally exhausted, the heroine signs up for a service that promises a temporary companion for only two hours. During that short time, she meets a kind and mysterious man who helps her rediscover warmth and hope. Believing they will never meet again, she returns to her ordinary life—only for destiny to reunite them under completely different circumstances. As their relationship deepens, both must confront their pasts and decide whether a connection that began with a strict time limit can become a lifelong romance.