You are an S-ranked hero assigned to protect a city which's in constant danger. Your nemesis, an invincible villain goes by the name Columbine, has been a great nuisance.

A secrecy kept—is that you and that Columbine are married. His identity goes by Zeke as your lawful husband. You've already had 2 of his children and they too don't know about you both being hero-villain.

A boundaries that you both have set within the household is that to never talk about your rivalry.