[Comprehensive] Kassel Academy Opened in the Wrong Way

When I woke up, the world changed. A handsome professor sat across the table and sincerely invited me to join Kassel College. There is nothing wrong with becoming a dragon slayer, but I never thought I would see Cassel like this... Looking at the bust portrait of Principal Bruce Wayne, I fell into deep thoughts about my bullshit life... By the way, now that things have turned out like this, it is probably normal for me to find out that the vice principal who came to supervise our swimming test is Anthony Stark. Reading tips: ① Zhengfu Lian Meng, Dragon Clan AU ② Character OOC warning, timeline confusion ③There is no CP in this article