Kim Eun Byeol is a new transfer student at Seoul High. She used to live in America but then due to some personal matters, she decided to move back to her hometown, Korea. In Korea, she would be living under the same roof with her brother, Kim Yugyeom... And 6 more other guys. Mark Tuan is one of Seoul's High most popular person. He's known as the player for playing with girls' heart then breaking 'em. Can Eun Byeol change after his player ways? Will Mark fall head over heels for her? Read to find out!