thats only if bloodline like that are mutually exclusive. the magi bloodline could be something like an auxillary bloodline that could be added to existing bloodlines or mox of blood lines..so it could be something like 32% demon 68%basic human but the overall is also 38% magi
[Demon Bloodline] 16->32 Percent
Fantasy · Aoki_Aku
isnt this just a rip off of another story, black haze. everything is the same except for the bullied noble for the mc to befriend. literaly the same
ch 48 Academy leaders
Fantasy · JKSManga
Pornographic Content Hate or bullying Release of personal info Violence Spam Other
Webnovel 
thats only if bloodline like that are mutually exclusive. the magi bloodline could be something like an auxillary bloodline that could be added to existing bloodlines or mox of blood lines..so it could be something like 32% demon 68%basic human but the overall is also 38% magi
[Demon Bloodline] 16->32 Percent
Inheritor Of Magic: The Magi King
Fantasy · Aoki_Aku