One day, a beautiful stranger cleans the stairs of her apartment...and she's wearing no bra and no panties!Her name is Saotome Rabu-san, and she seems to have moved in next door with her husband.I couldn't even say hello, and another day, an envelope addressed to Mr. Saotome was mistakenly posted in my room.Is this someone's speculation?A neighborhood relationship with a wife full of mystery and eros has begun!