Responses
this starts with them being transported to another world to become heroes and one boy does separate from them... but i don't think a cave has anything to do with it.
Since he was the "shield" hero...considered the 'lamest" none of the others treated him well.
http://www.mangago.me/read-manga/tate_no_yuusha_no_nariagari/
not a bad manga even if its not the right one
does anyone know a manga about a whole class of students bing transported to an other world that was called planet two and they where to train to become heros and theres this boy that got seperated from them one day in a cave ......... i rally need to know if some one knows it plz