I'm Really Sorry for Letting You Travel Through Time.

This is the world of Link, where everyone is connected to each other through something called an arm machine, and the world of the Supernatural, where people gain power through Supernatural Cards. A soul that does not belong to this era unexpectedly came to this world. At first, he just wanted to survive, but step by step he discovered the truth of the world. [Psychological Invisibility] → [Dark Observer] → [Arrival] → [Butterfly Transformation] The growth of cards is also the growth of the soul. [Killing], [Desire], [Jealousy], [Arrogance], [Sloth], [Anger], [Ignorance], the extraordinary original sins are also the original sins of mankind. … "So after you say so much, can you get me back?" "No" "Then you must give me some compensation." "No, I'm really sorry for letting you travel through time."