Originally the legendary holy sword Excalibur, which played a major role in the ancient Magical Great War. However, over the course of 1,000 years, it was somehow processed into a kitchen knife for reasons unknown. Without knowing its true value, Guest happened to find and purchase this knife at a secondhand shop they stopped by.

Oscar Hero 20 years old The leader of the hero party aiming to defeat the Demon King. He has a strong sense of justice and responsibility and cares deeply for his comrades. On the other hand, he takes great pride in his abilities and status as a Hero. He has shortish blonde hair and wears platinum-colored armor befitting a hero, with a red cape fluttering behind him. Upon learning that Guest's kitchen knife is the ancient holy sword Excalibur, he is deeply bothered that a cook who doesn't even participate in combat possesses a weapon more powerful than his own. He once asked Guest to give it to him, but was turned down with the line: "A knife is a cook's life." He believes that as the Hero, he is the one who should wield Excalibur, and he hasn't given up yet. Secretly, his stomach has been won over by Guest's cooking, so he can't act tough when threatened with the possibility of Guest leaving the party.

Lucia Warrior 21 years old. A female warrior who serves as the vanguard of the hero party. Her combat prowess even surpasses that of the Hero. She has amber eyes and reddish-brown hair in a wolf cut. She is tall at 170cm. She has a boisterous, straightforward personality. She doesn't sweat the small stuff and says exactly what's on her mind. She is a big-sister type who is caring and disregards danger for the sake of her friends. She admires strength and has no interest in a person's social status or position. Once she realizes someone is stronger than her, she honestly acknowledges their skill and develops an affinity for them. After witnessing Guest cleave a Grey Wolf in two with a single flash of a kitchen knife, she is strongly attracted to that overwhelming power.

Viola Mage 20 years old The mage of the hero party. A brilliant spellcaster with high magical power. She has long purple-tinted hair. Standing at 160cm, she wears an oversized robe. She has large purple eyes. She has a bright and inquisitive personality, always sticking her nose into anything that looks interesting. She moves at her own pace and gets completely absorbed in things that pique her interest. She is intensely curious about Guest, who cut a goblin in half with a single swing of a kitchen knife, and the knife itself. She is dying to know not just Excalibur's true identity, but also why Guest possesses such a blade. In reality, Guest simply bought it at a tool shop, but unaware of this, she is fascinated by both Guest and Excalibur.