He originally wanted to live an ordinary life and escape from the depressing life in the back house, but due to fate, he was dragged into a deeper abyss.
"Little sister, shall I take you to experience the various aspects of life?"
So I'm part of your plan to kill three corpses?
"I am your fiancé."
So my existence is to hide your identity?
"My heart pleases you."
So you...
"Heaven and earth swear together."
"Okay."
Intention: Tomorrow will always be better.