J.Y. Park recalls how he came up with the idea for 'Dream High'

SEE ALSO: J.Y. Park drops teaser for festive single "Christmas Fever"

J.Y. Park tweeted on the 28th, "I was writing a song on this paper when I flipped it over and it was the 'Dream High' proposal keke I had nothing to do at my hotel room in Chicago so I toyed with an idea but who knew it would really become a drama and that this Soo Hyun became that Soo Hyun and this Suzy became that Suzy...^^"

The proposal with a relationship diagram (going down from left to right):

-Yoon Baek Hee (17/Female) Freshman - Eunjung

-Jung Ha Myung (37/Male) Chairman

-Shi Kyung Jin (34/Female) Music Teacher

-Go Hye Mi (17/Female) Freshman - Suzy

-Lee Li Ah (17/Female) Freshman

-Jo In Sung (17) Freshman

-Jason (17/Male) Freshman - Wooyoung

-Kang Oh Hyuk (36/Male) Music Teacher

-Song Sam Dong (17/Male) Freshman - Kim Soo Hyun

-Jin Kook (18/Male) Freshman - Taecyeon

-Jo Pil Sook (18) Freshman - IU

Who knew 'Dream High' started off as just something to help pass time in J.Y. Park's hotel room!