Da So Toi is one of the young and prominent indie pop-punk bands in Southern Vietnam. With a naughty style mixed with a bit of rebelliousness and hilarious, these boys write love songs that are "smiling" to the honest, blowing a new breath into Vietnamese music. The song "Em" by the band Da So Toi, released in September 2020 is proof of that.

Following the rebellious street style of Da So Toi band, as well as believing that each viewer has their own love story and characters in it, we decided not to assign the song to any of the characters or any particular plot. Instead, we chose the skateboard as the main subject of the story.