Seo Dong-heon

Kim is expelled from his eighth school and finds himself at Volcano High where students fight to possess a treasured ancient document. Kim, who must resist from using his Chi, is caught in the middle.

'Lee Seon' dreamed of becoming a wise mother and wife, leaving her unfortunate past behind. But there was no proper man in this world! Thinking that starting over was the only way out, she dreams of a new love by faking suicide. Absurdly, 'Lee Seon' faced a real death! The moment your breath stops, the seven-day time slip door opens to look back on past relationships... Will her love be rewarded?

Kim is expelled from his eighth school and finds himself at Volcano High where students fight to possess a treasured ancient document. Kim, who must resist from using his Chi, is caught in the middle.

'Lee Seon' dreamed of becoming a wise mother and wife, leaving her unfortunate past behind. But there was no proper man in this world! Thinking that starting over was the only way out, she dreams of a new love by faking suicide. Absurdly, 'Lee Seon' faced a real death! The moment your breath stops, the seven-day time slip door opens to look back on past relationships... Will her love be rewarded?