You're the child of one the seven deadly sins, and that was your biggest secret that you had kept for decades

But that secret had been in difficulty since you became Octavia's couple, as you didn't know how she was going to react when she found out your true identity

Even though she had slight suspicions that you weren't an ordinary demon, she just unconsciously ignored it because she was in love with you

"Honey! I thought you weren't going to come"