These two dramas have similar storylines, which the main lead who used to be rich suddenly become homeless and poor. In DDSSLLS, it is the main girl. In SKL, it is the main guy.
Both display simple, sweet and fun love story between main couple.

Both are piano-themed dramas released in 2020. In DDSSLLS, FL is a pianist. In DYLB, ML is a world-famous pianist. In both, it shows a sweet love story between young leads.

Both are Gumiho dramas. In Tale of Nine-tailed, ML is a Nine-tailed Gumiho. In My Girlfriend is Gumiho, FL is a Gumiho. Both showcase a sweet love story between the leads.

They are both period dramas with lovely setting and heartbreaks that will make you cry and afterwards you will be wandering around to find a drama to replace this one!

Although both dramas could be considered vastly different and have different vibes, there are similar elements. ; Female leads who gain strength through diversities to reach their destinations.