The series has several installments:
- Alpha (cancelled prequel; Naver-only)
- Noblesse: Rai's Adventure (sequel)
- Attention Please! (side Story; Naver-only)
- Fondant Women's Club (mini-series; Naver-only)
Rai wakes up from an 820-year-long sleep and starts his new life as a student in a high school founded by his loyal servant, Frankenstein. But his peaceful days with other human students are soon interrupted by mysterious attackers known as the "Unions."