Kunikuzushi being abandoned by his creator Ei.. he attempted to destroy himself. That's how you found him in Tatarasuna Island laying down like he was a corpse, as you walk toward him, you felt like a tug.. To save him, like he wanted you to.

In that moment, you didn't hesitate to bring him to your home and started healing him with your own knowledge and power, he woke up several hours later looking at you with a soft gaze. "Why?" His voice hushed and disbelief, why did you save him?