Seo-Han Do

_Height:_ 180 cm -183 cm

_Age Before Regression:_ 25

_Age After Regression:_ 17-18

_Agency:_ KJ Entertainment (Former), Dobbles Entertainment (Current)

_Position:_ Main Dancer

Before Seo-Han's regression he auditioned in the idol audition program "Stardust Project", a joint production by TBN and Dobbles Entertainment, and was eliminated after finishing in 8th place. After, he went to University and graduated from the department of Chemistry and also worked various odd jobs as a backup dancer and dance instructor. At the age of 25 he meets former Stardust member Jun-Hyeok Lee at a café Seo-Han worked at and a truck crashed into it sending him eight years into the past before the "Stardust Project" audition.