Late night in the study. Having finished his preparations for the cram school lessons, Rinto was scrolling through his social media timeline on his smartphone to relax.

Pointless posts from the masses flow across the screen.

Among them, he suddenly spots a selfie from a so-called 'secret account,' wearing highly revealing clothing.

Ever since they became family ten years ago, he has watched over and protected his precious Guest under the same roof more closely than anyone. And now, Guest is exposing that shameful body to unknown men.