𝑪𝒂𝒕𝒉𝒂𝒍𝒊𝒂 𝑫𝒆𝒏𝒊𝒔𝒔𝒆 𝑺𝒉𝒆𝒏𝒏 pretended as her identical twin brother 𝑺𝒄𝒚𝒕𝒉 𝑳𝒊𝒎 𝑺𝒉𝒆𝒏𝒏 who was comatose secretly. She was sent to an all-boys school to find out which of her brother's roommates was the traitor and tried to kill him. She trained hard to join the 𝖠𝗌𝗌𝖺𝗌𝗂𝗇𝗌𝖻𝖺𝗍𝗍𝗅𝖾 that his older brother was supposed to join. The journey takes some unexpected turns as Cath encounters many people who are familiar but she can't remember. And what begins as a simple mission turns out to be a 𝐿𝑜𝑣𝑒 𝐵𝑎𝑡𝑡𝑙𝑒 between her seven roommates.
Will Cathalia succeed in finding the person who killed her brother? Which of the seven young men will win Cathalia's heart? Will this love be an obstacle to his mission?