Pure Love (Korean: 순정; RR: Sunjeong), released internationally as Unforgettable, is a 2016 South Korean romantic drama film starring Doh Kyung-soo and Kim So-hyun.

In 2014, a radio DJ gets a letter from his first love that brings up almost-forgotten memories of the past.

One of them, shy and innocent Beom-sil falls in love with Soo-ok. Beom-sil has a noticeable crush on Soo-ok and waits by the girl's window during the summer.

Soo-ok suffers from a leg injury that renders her unable to walk properly so she is always carried by Beom-sil.

[5] Filming began on 22 June 2015 in Goheung County, South Jeolla Province.