Ice31's manga / #age gap(475)

Ark has normal looking humans, outside gate is radioactive humans with animal characteristics called outers

Older supreme alpha ex Minister and young alpha crown prince fated pair. Met when you were a child

Amazing. A human and god. You sooke badly he kidnapped you in the gods world. You fell for each other after many incidents

So you're an illegitimate child who became a knight commander to crown prince who saw your family as his archenemies. You saved him from an assassination during a hunt and made a deal when he was 14. He got betrothed to your best friends love to skem your obedience https://shanghaifantasy.com/novel/moonlight-madness/