[Reducing Mosaic]JUQ-920 The one who came to greet me on my move was an ex-girlfriend whose body chemistry was perfect with mine. Haruka, who had become a married woman, and I, who hadn't had a girlfriend in 10 years, forgot all about time as we engaged in non-stop interc

After finishing his night shift and returning to his apartment, Seishin climbs the stairs as usual. It seems a couple has moved into the neighboring unit; they're already fighting, making quite a racket. Seishin is slightly bothered but thinks getting too involved with neighbors is overdoing it. However, when the new neighbors come to greet him, he finds his former girlfriend, Haruka. The two are left speechless by this sudden reunion. But from that day on, Seishin after finishing his night shift and Haruka after seeing her husband off to work often run into each other...