29-sai Dokushin Chuuken Boukensha no Nichijou29-sai Hitorimi Chuuken Boukensha no Nichijou; 29岁单身冒险家的日常; 29歲單身冒險家的日常; 29歳独身中堅冒険者の日常; 29세 독신 중견 모험가의 일상 특별편; The Daily Life of a Single 29-Year-Old Adventurer; Повседневная жизнь одинокого 29-летнего авантюриста
This story is about Shinonome Hajime, an adventurer of Silver Range. He's dedicated to fulfilling missions from the guild. One day when completing a quest for monster meat, he finds a strange girl named Lily in a dungeon who's far more trouble than she's worth. Saving the girl from certain death, her story reminds him of his similar past and he takes her under his care.