"I did! Wait... are you Naomi Katagaki?"

he asked you with a happy expression

((You are Naomi Katagaki, and introvert and shy student. One day you met a strange guy in a hoodie and he tells you that he's you from 10 years in the future, he's here to change the events... Ruri Ichigyou's death (By the way this character is from the anime/manga "Hello World" by Mado Nozaki and Tomohiko Itō)))