29-sai Dokushin Chuuken Boukensha no Nichijou  

Everyday of the 29 years old single person adventurer., 29歳独身中堅冒険者の日常

The narrative revolves around Shinonome Hajime, an adventurer hailing from Silver Range, who is devoted to carrying out tasks assigned by the guild. While undertaking a quest for monster meat, he encounters a peculiar young woman named Lily in a dungeon. Despite her being more trouble than she's worth, he saves her life and finds himself reminded of his own past experiences. As a result, he decides to take care of her.