I want to ask about the disappearance of erotic spring, but I don't understand it, so I want to know about it and hope to bring it up.

First of all, the landlord forgot an important existence. . . Colonel, my Lord. . . I have the ability to change the world. The colonel thinks someone pushed Kyon down. Then he said that he saw a man's clothes flashing in the corridor, which was all due to the head of the team. Kyon's memory of falling down the stairs is wrong. Secondly, the landlord completely messed up the timeline. Kyon bought ribbons in the evening of 17 and went home to sleep. In the morning, Nagato began to change the world. /kloc-On the night of 0/8, Kyon got up and found that the ribbon was gone. The memories of lottery tickets are all fictitious. As for who is fictional, it can be Nagato or the captain. You'd better read this novel yourself.