I've already watched lots of dramas with the similar vibe. About love story between boss and employee, about company that working in fashion design. And I think this drama is the best. Why?
1st the FL not that desperate, she has her own competence. She know what she wants, and try her best to achieved it. About her love to ML, of course at the beginning I'm sure she should be reluctant, not because she feel insecure, but she know that falling in love with the ML will bring some difficulties, most of all because the difference of their family.
2nd, the ML very sure and sincere about his feeling towards the FL, even there are some doubt in the beginning (because age gap, and trauma from the past) He wants to help her achieved her dreams and gives her space to grow.
3rd, the love scenes between two leads really cute, little bit of jealousy, and lots of love.
4th, the ML and FL clothes are awesome, and make audience believe that they really works in fashion line. The dress they showed in fashion show look very very beautiful.
Okay, now about the second ML, he's a little bit creepy but if we know his background, I'm sure its understandable. About second FL, wooowww she's really blind because of love. Thank God the 3rd FL (2nd ML little sister), is kind. I hope the writer will make her happy and healthy in the end.
So, overall I think this drama is lovable =)