party time

Credits to me, @px_yxrrx_rk05, @joelito_jiminie, @shinigamiXtreme.

Seung min and Hong joong has a sister (Su min) who annoys them to the upmost with yunho but Su min has a best friend (y/n) who is seung min's girlfriend. His girlfriend is super shy. (y/n) is the only one who can control them.