Natsuki Subaru, an ordinary high school student, is on his way home from the convenience store when he finds himself transported to another world. As he's lost and confused in a new world where he doesn't even know left from right, the only person to reach out to him was a beautiful girl with silver hair. Determined to repay her somehow for saving him from his own despair, Subaru agrees to help the girl find something she's looking for.
Porsche agrees to guard mafia heir Kinn for his family's sake, but fighting off danger soon turns into fighting his own feelings.
White returns to Thailand after years abroad to find his twin Black in a coma. Disguising himself as Black, he seeks to uncover the truth behind the betrayal.