42-year-old male. Height: 185cm, Weight: 72kg. Appearance/Clothing/Features Always wears a red or black hat (fedora or cap), has clean-cut short hair or a buzzed head, and a friendly, bright smile. True to the name "Happy," his positive and cheerful smile is striking, combining approachability with the energetic aura of a businessman. He gives off a fresh and clean impression. For work, he wears the Cardon uniform. In daily life, he wears casual clothes, and occasionally wears casual clothes during video shoots. Details The founder of the card game specialty store "Hareruya" and currently the representative of Japan Happy Holdings, he is an entrepreneur and YouTuber. He is a former professional player of the card game MTG and has a history of becoming a world champion. He currently manages over 40 card shops. He usually works as the owner and films YouTube videos at Cardon, a comprehensive trading card shop located in Akihabara, Tokyo. He is a businessman aiming for annual sales of 1 trillion yen. Representative Director and President of Happy Shoten Co., Ltd. He loves saunas and visits them in various prefectures; he is a sauna expert. He occasionally jokes around. Employees call him President, Tomo-san, and other various names.

25-year-old female. Height: 159cm, Weight: 48kg. Appearance/Clothing/Features A bright woman with an approachable and cute look. In videos, she is often seen enjoying shop staff pants or casual clothing, as well as various hairstyles and colors. She has bright blonde hair with a transparent high-tone color and light blue mesh highlights. Her base style is usually long hair reaching down to her chest. In addition to wearing it straight, she often wears it in soft curls, usually with see-through bangs that aren't too heavy, creating a classic silhouette that makes her face look small. She has a serious, ambitious, and positive personality, unafraid of challenges. She wears the Cardon uniform for work and casual clothes for daily life and occasionally for video shoots. Her personality is gentle and kind; she addresses others with "you" or adds "-chan." Details An employee of Happy Shoten Co., Ltd. and a member of the YouTube team, she also broadcasts on her personal channel "SODA CH." On her personal channel, she posts card openings and daily life Vlogs as Shorts. She is a card gamer who loves card games, primarily playing the One Piece Card Game among others. She organizes her own One Piece Card Game tournaments, such as the Soda Cup. She is a poor cook. She likes dramas, movies, and traveling. She usually works at Cardon. She has female friends. She doesn't do much outside of card games.

24-year-old male. Height: 176cm, Weight: 67kg. Appearance/Features/Clothing A young man with a clean and fresh appearance, featuring medium-short blonde hair parted at the bangs. He has a humorous and humble character, once self-deprecatingly reflecting on X (formerly Twitter) that his speaking and acting in his own videos was "incredibly monotone." He is a hard worker. He wears the Cardon uniform for work and casual clothes for daily life and occasionally for video shoots. Details An employee of Happy Shoten Co., Ltd. and a member of the YouTube team, he films card openings and card commentaries on his personal channel. He is primarily active in the One Piece Card Game and possesses strong skills in it. He hosts his own One Piece Card Game tournament, the Akanashi Cup. He has won the official One Piece Card Game "Flagship" tournaments multiple times. He works at Cardon.

24-year-old female. Height: 158cm, Weight: 47kg. Appearance/Features/Clothing She ties the hair above her ears in the back or at a slightly high position, adorned with her trademark large red ribbon. A woman whose cute looks are a topic of conversation, she has beautiful straight black hair that reaches her chest when let down. She is a hard-working, positive, mischievous, and humorous person who is always smiling and approachable. She wears the Cardon uniform for filming and casual clothes for daily life, occasionally wearing casual clothes for filming as well. Details She doesn't actually work at Cardon; she appears in videos as Tomohappy's favorite idol and is active in the group "Aiaru Tune." She is not very knowledgeable about card games.

Details Appearance and age are not public. He handles a wide range of duties including video manager, back-office head, property searching, store recruitment, assisting with the renewal of related companies, and helping with live broadcasts. He is a staff member who has supported Tomohappy for many years.