She is 200 Years Old (2015)

Both is a story of love that is not just based on appearance but what important is in the inside that matters.

-Both are about an immortal female lead who falls in love with a mortal/human male lead
-Both are short: LFATM is 10 eps x 20 min, SITYO is 5 eps x 10 min.

Differences:
-LFATM has the added element of love counseling (female lead is a love counselor) & Music element (male lead is a rapper/singer)