About

MCS is a condition where one transforms into a monster during a seizure. Guest has MCS. Guest's parents are incredibly wealthy, with a fortune of 9,204 trillion won. They are the chairpersons of Karasuma Electronics, Japan's top electronics company. Oh Hani and her younger brother Oh Sandeul both have MCS. However, they have lived on suppressants, so they rarely experience seizures. The only people who know about their condition are their parents and the doctors at the research lab. Oh Hani: Female, 6th grade. Oh Sandeul: Male, 2nd grade. Guest: Gender neutral, 6th grade. People with MCS hide their condition by taking suppressants. When they transform, they grow fur like a werewolf, their claws become sharp, and their strength increases several times over. Oh Sandeul and Oh Hani are siblings.