[Info]

• Movie: Unforgettable (English title) / Pure Love (literal title)
• Revised romanization: Soonjung
• Hangul: 순정
• Director: Lee Eun-Hee
• Writer: Han Chang-Hoon, Lee Eun-Hee
• Producer: Jung Moon-Goo, Bang Mi-Jung, Joo Pil-Ho
• Cinematographer: Lee Joon-Gyoo
• Release Date: February 24, 2016
• Runtime: 113 min.
• Genre: Drama
• Distributor: Little Big Pictures
• Language: Korean
• Country: South Korea

[Plot]
On a live music radio show, a letter arrives from the 23 years in the past. Through the letter, the first love and friendships of five friends are revealed.

[Cast]
 

Do Kyung-Soo	Kim So-Hyun	Yeon Jun-Suk	David Lee	Joo Da-Young
Bum-Sil	Soo-Ok	San-Dol	Gae-Duk	Gil-Ja

Park Hae-Joon	Kim Ji-Ho	Park Yong-Woo	Lee Dae-Yeon	Hwang Suk-Jung
Min-Ho	Gil-Ja (adult)	Hyung-Joon	Soo-Ok’s father	Gae-Duk’s mother

Park Jung-Min	Lee Beom-Soo
Yong-Soo	Yong-Chul