Residing in a luxurious mansion with a team of servants at his beck and call, the young lad, aged nine, becomes engrossed in the enigmatic Tanaka, the only denizen of Asian heritage among his household. Drawn to Tanaka's exotic NINJA lineage, the boy perceives his presence as an exceptional occurrence, rendering him charmingly intriguing. One destined day, he stumbles upon the servant's quarters and is promptly bewitched by Tanaka's unkempt appearance. Expressing his heart's desire, the boy picks Tanaka as his personalized attendant, causing a budding romance to flourish between Shota and his newfound affection.