Kamaseinu na Chuunen Boukensha wa Kyou mo Ganbatte Ikitemasu.

A middle-aged, unmarried B-class adventurer named Georg Kylie lives a routine life, beginning each day with breakfast, donning his armor, and heading to the Adventurer's Guild. He completes assigned tasks, earns rewards, works part-time as a jeweler, and ends his day at a favored tavern. His predictable existence is disrupted when a sub-dragon, a class A monster, is reported nearby. Georg encounters a young adventurer attempting to sell sub-dragon scales and warns her against touching his pet, Cecil. Mistaken for a harasser, he is attacked by her male companion. This incident marks the beginning of a shift in Georg's life, as he is drawn into new encounters and adventures. The story originates from a novel project, offering a glimpse into the life of this somewhat frightening yet kind middle-aged adventurer.