Ryan's whole body was trembling in fear, his legs, his arms, his head… his fingers were shivering.
"You wanted to know the purpose of your life, right? Then this is your purpose." Professor continued, "Make it your Ikigai. Revenge your parents' death, become stronger and take over the whole underworld."
Ryan did not reply. There was no way he could function his brain and speak at this moment. His palms started feeling cold, his feet were feeling cold from beneath.
"I will help you on your journey to become the strongest. There are still quite a few secrets hidden from you students, from us humans. I will help you reveal those secrets.
"All I want from you in return is…. Passion, desperation, resolve, determination. If you do not give those feelings to me in return, I will drop everything and leave.