It All Starts with the West Wanderer

Literary version: "I will, I will make you wake up again... again..."
That day, under the gigantic westward demon, the boy buried the girl here...... Also on that day, the boy and the girl made a private agreement that never existed...... ......
Normal Version: In Gensokyo, he is the man behind the creation of Gensokyo, a paradise of monsters and gods, with the Yokai Sage.In the world of ghosts, he is the ghost king who is as famous as ghost dance Tsuji no miserable.
In the world of Sword Art Online, he is the president of Gensokyo who leads players through death games.In the world of Hakoniwa, he is a king