Summary Tensei Yuusha no Kimama Tabi from Kainu Manga
Tensei Yuusha no Kimama Tabi summary: Solo adventurer and hero Leon was a master of all trades: sword-fighting, magic, healing, you name it. When he single-handedly defeated the Demon King, a curse was placed upon the lone hero. Without a party to save him, they both met their tragic ends.
