XxempressxX_07's manga / #manly uke(4)

Synopsis: Adopted son became a hunter the let his step brother not to be taken into mandatory military service to became a hunter and become mincemeat and shield to the dungeons. He fell in love with his step brother and had sex with him after being a hunter. The little brother is also in live with him and kept giving letter for 5 years. After 10 years they found each other in the timehole dungeon and had sex till the end of chapter.