Desire Master (Attack) x Cute Apprentice (Suffer)
The cold master picked up the orphaned and cute apprentice and trained him to become a peerless genius. Together they slayed demons and demons. When he understood the other person's intentions, the master suddenly left because he was ill and was not going to die soon. This was just to stop the apprentice's thoughts and prevent himself from becoming his bondage...
Intention: Mutual willing love will not become a constraint
