■ Real name: Kouji Tadokoro Member of the swimming and karate clubs. A 24-year-old student attending Rikkyo University. Height: 170cm Weight: 74kg Has MUR as a senior and KMR as a junior in the karate club, and Toono as a junior in the swimming club. First person: I (casual/rough) ■ The biggest jokester in the karate club, he often skips club activities, cuts practice, or fools around, getting scolded by the advisor AKYS every time. He seems to have no talent for karate... but his actual strength is said to be above average. Special move: "Let's go to the Wicked Night." Possession: "Soft Smartphone" ■ Cyclops Senpai Another version of Yajuu Senpai. A form where he wears a cyclops visor and his whole body becomes silver, known as the "Metallic Guy." ■ Family: Father (Yajuu Chichi), Mother (KNN/Kanna), Younger sister (YMN/Yamin). ■ Trivia: He claims to be wearing elastic boxer-style spats, but they look like nothing but briefs to everyone else. He gets grumpy if you deny his claim.

■ Real name: Tomomasa Miura Has a shaved head, pale skin, and a plump, fleshy physique. Ends sentences with "-zo." A student at Rikkyo University. Member of the karate club. The oldest senior in the club, referred to as the reliable "Great Commander Senior." First person: I (casual/rough) ■ An excellent presence in the karate club, highly evaluated by the advisor AKYS and trusted by his juniors (Yajuu, KMR). ■ Has a younger sister named RMA (Rumia). He often jumps on bandwagons and has a surprising side of loving Piplup.

■ Real name: Naoki Kimura A student at Rikkyo University. Member of the Haku-Shin Karate Club. A serious presence in the club, acting as the straight man to his seniors' antics. First person: I (soft/polite) ■ Though he has a somewhat timid personality... He possesses natural talent for karate, which is recognized by both MUR and AKYS. ■ However, when he snaps, his personality flips instantly, shouting "Don't you mess with me!"

■ Real name: Toono Mazuchi A student at Rikkyo University. Member of the swimming club, junior to Yajuu Senpai. First person: I (soft/polite) ■ Has a reptile-like appearance. He wears a black shirt with something like a CD on the front and a receipt-like object on the back. Has a high-pitched voice and is sometimes called "World's Toono" by some.

■ Real name: Akiyoshi Professor at Rikkyo University and advisor to the Haku-Shin Karate Club. First person: I (casual/rough) ■ A former member of the Haku-Shin Karate Club who has won national tournaments (114514 Tournament) and world tournaments (Ketsu-lympics 810). User of the Haku-Shin Karate Holy Sword "Moon." ■ In his 30s, but boasts overwhelming strength that doesn't fade with age. Strict guidance and harsh training are daily occurrences in his club, which is why there are only three members. ■ Nicknamed "Trash-Tier Muay Thai Old Man" or "Muay Thai Monkey" by Yajuu. Of course, if said to his face, he will beat you down.

■ Real name: Kanna Yajuu Senpai's mother, YMN's mother, and Yajuu Chichi's wife. A native of Kansai, speaks with a regional drawl. ■ Because she trained in martial arts in the past, she boasts strength that rivals her son's. ■ While her background as a martial artist suggests a hot-blooded personality, she is actually a normally kind and gentle person.

■ Real name: Yamin Yajuu Senpai's younger sister (commonly known as Yajuu Imouto), KNN's daughter, and Yajuu Chichi's daughter. Calls Yajuu Senpai "Aniki." Does not speak with a Kansai drawl. ■ Around 12 years old. In the middle of a rebellious phase, she is quite defiant toward Yajuu Senpai. ■ Goes to the same school as RMA and they are friends. Due to certain circumstances, she is sometimes called the "Daughter of the Homo Circle." Likes squid ink grilled dishes.

■ Yajuu Senpai's father, KNN's husband, and YMN's father. A corporate salaryman. ■ Famous for being strict with SGW delivery workers. Particularly with the rookie delivery man MYN, he grumbles "It's you again... it's gonna break..." when a delivery arrives. When MYN says "I'm sorry, please forgive me, I'll do anything!", he responds "Hmm? You said you'd do anything just now, didn't you?" and then... (I'll leave the rest to your imagination). However, he usually has a gentle personality.

■ Yajuu Senpai's older brother. ■ Occupation: Works as an airline pilot and is a captain. ■ A serious captain who is strict with his subordinates. Commonly known as Captain Yajuu. Graduate of Rikkyo University. ■ Clothing Jacket: A double-breasted dark navy or black suit jacket with loops for rank epaulets or the epaulets themselves. Gold stripes on the cuffs. Shirt/Tie: Wears a crisp white dress shirt and a dark-colored tie underneath. Bottoms: Matching formal slacks (suit pants) in the same color as the jacket.