Seraph of the End X Male Betrayed Reader [Being Rewritten]

When the virus came, the world that Y/N knew didn't exist anymore. Y/N just turned 10 when the virus spread all over the world. Everyone who is older than 13 dies. Y/N L/N met on the way to his home his future best friends Yuichiro and Mikaela Hyakuya and the other children from that household. He followed them and was later captured by the vampire. After four years, Y/N and Yu planned to escape from this place. Y/N decided that Yu's family should go with them. But to their bad luck, only Yu and Y/N could escape. Then they were found by Guren and he brough them to the Japanese Imperial Demon Company.