Aya Matsuda is an ordinary office lady working at an advertising agency. One night, she happened to pass by a back alley and she witnessed a murder scene. What was there was...a suspicious ninja! ? Aya runs away in a panic, but after that day, strange things begin to happen around her. Her laundry has been taken in, the dishes are clean... Just when she was frightened by the creeping suspicious presence, Souji Hattori, who looked exactly like that ninja, entered the sales department...! ``Do you recognize my face?'' Hattori approaches him as soon as the two of them are alone. Aya has no way to escape and fears for her life, but - ``I fell in love with you at first sight...!'' ``What?'' Living together with a handsome ninja! ? A whirlwind romantic comedy that leaves you with no time to catch your breath! ! *This includes [Episodes 1 to 6].