Yuukyuu no Gusha Asley no, Kenja no SusumeThe Principle of a Philosopher by Eternal Fool "Asley"; Yuukyuu no Gusha Asley no, Kenja no Susume: to, Pochi no Daibouken; Вечно живущий дурень-мудрец «Азли»; 悠久の愚者アズリーの、賢者のすゝめ; O Princípio de um Filósofo por um eterno idiota "Asley".
When he was young, he had failed at the Magic Academy and was looked down by others.
However by chance, he discovered a mythological medicine, so he obtained an immortal body.