Kim Min Kyu is allergic to humans; if he touches one, he gets a painful rash all over his face and body; he says that he is not lonely.

The lives of Ji-a, Min-kyu and Hong are intertwined with each other as their objectives all meet at the same point.

When Ji-a begins his training, he realises how lonely Min-kyu is; Ji-a's identity becomes threatened.

Ji-a manages to inject Min-kyu in time, which reveals his condition; Min-kyu starts to see AG3 as a friend.

Despite Min Kyu's efforts to win over the Santa Maria team, the day comes for Ji A to leave; in order to keep Ji A by his side, Min Kyu shows Baek Gyoon his allergic reaction.

Ji-a manages to steal Min-kyu's first kiss, which leaves Min-kyu feeling confused about what to do next.