During a chance encounter alone with her nephew at a hot spring inn, the aunt, unable to resist her erotic urges due to her nephew's gaze, shyly strips naked for all to see. (NHDTA-397)

A long-lost nephew and aunt on a family trip. Because one of them wanted to take a bath, they unexpectedly bumped into each other in the hot spring… The aunt, thinking her nephew was still a child, invited him to bathe with her. Unexpectedly, her teenage nephew, seeing his aunt's naked body, couldn't help but get excited…