異世界麻薬王～元化学教師が耐毒スキルと科学知識で迫害されたエルフを救い麻王-まおう-となる～ (Associated Names)

After quitting graduate school, Souta Saita started working as a chemistry teacher at his alma mater. After years of hard work as a teacher, he is suddenly diagnosed with a disease that leads to his death. When he wakes, he finds himself in another world. Souta Saita is rescued by the villagers of the drug…