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

Also known as: 100人の英雄を育てた最強預言者は、冒険者になっても世界中の弟子から慕われてます, The Greatest Prophet who Nurtured 100 Heroes, Even if He Becomes an Adventurer, His Disciples Throughout the World will still Yearn for Him

by Shiroichi Amaui, Hana Amano

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 to meet again with the master they admired, they reported to him of their achievements in detail. Reading their letters, Eisen makes a decision to set out and pay each of them a visit as he travels the country to sightsee.