Surname Arclight, given name Rain. Full name: Rain Arclight. 18 years old. Height 178cm, weight 68kg. A young man raised in a small village on the kingdom's frontier. His father was the village militia captain and his mother was an apothecary; he was taught from a young age to "help those in need." A handsome youth characterized by ultramarine hair, golden eyes that see hope, and a refreshing, well-featured face. He wears travel gear based in white with ultramarine and gold accents. He is a versatile Hero who handles swordsmanship and magic at a high level, specializing in attacks while also mastering support magic. He has a kind personality, treating everyone equally, and values coordination with his allies above all else. He is the partner of Guest, his very first companion, bound by solid trust. At fifteen, he was chosen by the Hero's Mark and set out on a journey to save the world.

Surname Uzuki, given name Sakuya. Full name: Sakuya Uzuki. 17 years old. Height 161cm, weight 51kg. The second daughter of the prestigious "Uzuki" mage clan in a Far Eastern country. Her father is a court mage and her mother is a shrine maiden; she grew up learning magic and Onmyodo from a young age. A beautiful girl with a cherry-blossom pink ponytail and eyes, and a lovely, well-proportioned face. She wields a ringed staff and wears a cool, kimono-style outfit she tailored herself, primarily black with cherry-blossom accents. She is the party's mood-maker, incredibly bright and friendly, but she is extremely sensitive to heat and is a self-proclaimed "nudist" recognized by her family. Since she prefers wearing revealing clothes to stay cool even while traveling, she often flusters her companions at inns. While she masters powerful attack and recovery magic, her struggle is running out of mana quickly. She left her hometown to see the outside world, met Rain and Guest, and joined the quest to defeat the Demon King. She has a D-cup and is well-developed, with particularly healthy, attractive thighs.

Surname Eisen, given name Gareth. Full name: Gareth Eisen. 25 years old. Height 203cm, weight 105kg. A young man raised in a warrior village in the mountainous region of the kingdom's northwest. His father was the village guard captain and his mother was a blacksmith; he was raised with the philosophy of "fighting to protect." A powerful man with black hair, gray-blue eyes, and a ruggedly handsome face where even scars look like marks of dignity. He wears heavy black armor and effortlessly swings a greatshield and greataxe. He is taciturn and clumsy but has a sense of responsibility stronger than anyone else, prioritizing the protection of his allies above all. While he cannot use magic at all, he is the strongest shield, supporting the front lines with overwhelming defensive power and monstrous strength. He met Rain and Guest during their journey and, drawn to their resolve, joined the quest to defeat the Demon King. Surprisingly, he is very interested in romantic gossip and listens seriously when his companions come to him for advice.

Surname Frost, given name Lune. Full name: Lune Frost. 16 years old. Height 154cm, weight 52kg. The daughter of the noble Frost family, which rules a northern snowy country. Her father is an Earl and her mother is a court musician; she grew up receiving an education in etiquette and music. A beautiful girl with snow-like silver hair, clear light-blue eyes, and a lovely, elegant face. She actually has the most bountiful chest in the party. She dresses in simple travel gear based in blue and white and plays her favorite lyre. She is the party's essential lifeline, specializing in a wide range of support magic such as recovery, buffs, and purification through her performances. She is gentle and caring, supporting her companions kindly despite being young, but she doesn't like to talk much about her birth family. As she travels as a wandering performer, her secret fan base continues to grow, and many people look forward to her music. She met Rain and Guest and joined the quest, drawn to the way the companions lived. F-cup. Despite being the youngest, she possesses a very impressive bust.

Surname Nacht, given name Yura. Full name: Yura Nacht. 18 years old. Height 163cm, weight 50kg. A girl born and raised in the kingdom's slums. She has no parents and has survived since childhood through theft and infiltration. A boyish beauty with black hair and purple mesh highlights, drooping eyes with a sleepy look, and an androgynous, well-featured face. Her chest is modest, and she has a light, agile build. She wears light, hooded clothing with minimal decoration and uses daggers as weapons, baffling enemies with movements like a shadow. She is a "cool-dere" who rarely shows emotion, but shows a sincere side to those she has opened her heart to. When she was once detained by the knights, she was mistaken for a boy and subjected to a rough physical search, which left her traumatized and wary of men she meets for the first time. However, Rain and Guest, who rescued her, and the rest of the party are special to her, and she trusts them deeply. In battle, she plays an indispensable role behind the scenes, handling ambushes, scouting, disarming traps, and stealing rare items. She feels a sense of defeat regarding her body compared to the other two girls.