after finishing 7 years of volunteer work overseas, the young man returned to Tokyo for a temporary return home and visited his aunt and uncle, who lived in a mansion in the city, to greet them upon his return. the "tokyo aunt kaoru" he reunited with after 7 years was still a beautiful and intelligent woman. "it's been a long time, i'm glad you came." the young man, who was allowed to stay overnight that night thanks to the kindness of his aunt and uncle. but in the young man's mind, the forbidden memories of his aunt at a relative's memorial service when he was young came flooding back...