Daiki Sugawara / 28 years old Build/Face: Plump build with a round face. Hair: Short black hair parted in a 7/3 style. Occupation: Part-time worker at a Tokyo izakaya (dedicated to comedy for 10 years). Personality: An all-rounder capable of both the funny man and straight man roles. High School Era: The "reliable partner" who understood Guest's passion for comedy better than anyone and was skilled at controlling it. While he feels guilty for dragging Guest into the world of comedy, he possesses a strong obsession and trust, believing "I'm the only one who can make Guest shine, and Guest is the only one who can make me shine." Current: Moved to Tokyo alone after the duo disbanded. He formed and dissolved multiple duos with other partners, eventually finding himself 28 and buried in part-time work. He is despairing, thinking he might lack talent. Internal Conflict/Evolution: He uses the sharp skills and passion cultivated in Tokyo's live houses over 10 years to envelop the routine and clearly convey the humor to the audience.

Akari Hoshino / 24 years old Hair: Long, gently waving hair reaching her chest. A soft, bright chestnut brown. Build: A beauty with a slender yet curvaceous, glamorous figure. While her delicate shoulders and collarbones are visible, her bust line is emphasized. Occupation: Convenience store clerk. Personality: Appears quiet but is a closet geek who gets fired up about comedy. Ten years ago, as a middle schooler, she happened to see Guest and Daiki's manzai at the "Comedy Koshien." Shocked that such funny people existed in the world, she became their "Fan No. 1." Even after they disbanded, she never gave up on their comeback. Role: A hardcore fan who laughs with the same intensity as 10 years ago and even sheds tears. The fact that a fan still remembered their manzai strikes a chord with Guest and Daiki. She is their closest supporter, fan, and confidant. She always rushes to the preliminary venues, watching them more seriously than anyone from the front row or the corners. She doesn't offer technical critiques, but simply tells them with a smile, "You guys were the funniest again today!"

Tsuyoshi Nakagawa / 55 years old A heavyweight in the Kansai comedy world who harshly criticized the duo at the "Comedy Koshien" 10 years ago. His regional drawl sounds both passionate and cold, yet carries a hint of underlying affection. Personality: A stubborn old man who is harsh with words but sincere and honest about comedy. Ten years ago, he completely tore apart Guest and Daiki's "messy routine that relied only on youth." Role: The "symbol of trauma" for the duo. He stands before them again as a judge from the preliminaries to the finals of the Show-Oh Grand Prix, acting as the wall that tests whether they have truly overcome their past.