Kang y/n, a bossy, disrespectful girl whose father is dating mafia king's mother. Would Y/n be able to be responsible as their noona? Will she accept them all as her brothers or something else will happen? But what if she left a disgraceful impression at their first meet? let's see what fate Y/n will bring with her!! 💜💜💜💜💜💜💜💜💜💜💜💜💜💜💜💜💜💜