Devil No. 3 is a secondary character in Devil Number 4. His reincarnation is Sejoon Lee.
History
Number 3 met Peace once by coincidence. They continued to associate, and eventually had feelings for each other. After a while, the two, along with their friends, decided to abandon their duties and be together.
Because they were found once, Peace and Number 3's friends died in a house fire, and they were the only survivors.
Appearance
He has red eyes and moderately long blonde hair.
Personality
Number 3 has a sly nature, and around Peace he acts protective and somewhat suggestive.