The main character of Lost in the Cloud, along with Baek Cirrus. Originally, he lived in Pohang with his mother and sister. However, during his last year in middle school, he faced abhorrent bullying led by his former best friend and crush Choi Minwoo. After learning about it, his family moved once he graduated. During his time as a freshman in high school, he developed romantic affection for his classmate Chan-il. This affection leads him to take secret photos of Chan-il up until his current senior year. This hobby of his is stopped due to it being found out by another classmate, and close friend of Chan-il's, Baek Cirrus. This starts a manipulative relationship between Skylar and Cirrus. Eventually, for reasons not known to Skylar, Cirrus stops the harassment. As the series progresses, Skylar realizes his feelings for Chan-il are not truly for him but are more or less caused by remnants of his affection for his former crush, Minwoo. Through this realization, he tries to distance himself from Chan-il to help move on from his past. Recently, Chan-il and Skylar have started to hang out again, along with two of Chan-il's other friends: Jiwon and Yoochan. While being harassed by Cirrus, it is revealed Skylar is being treated for PTSD caused by his past with Minwoo.