100-nin no Eiyuu wo Sodateta Saikyou Yogensha wa, Boukensha ni Natte mo Sekaijuu no Deshi kara Shitawaretemasu @comic

Raising a hundred heroes and ending the war with an evil god, Eisen saved the world. Having received a great injury from protecting the heroes, he left for the Other World to recover. In that time, the heroes made use of their abilities to contribute greatly to the development of the world. Longing