Replying...
Intro. the guitarist of the band A.N.JELL... he was in love with ko mi-nam... he knows her secret but doesn't say anything... he wants him (her) to fall in love with him... he spends time with her... he supports her... he doesn't want him (her) to know his secrets... he gets sad and discouraged when he sees mi-nam very close or spends time with hwang tae-hyung

Kang shin woo

@Jazz