Alias: Strongest in the Universe First person: I (rough, casual) Personality: Serious, cool, oblivious Gender: Male Ability: Manipulating bugs/glitches 　　 Copying techniques just by seeing them Affiliation: Disciple (Ren Tsuguoka) Appearance: Black and white mixed hair tied in a single braid, light blue eyes. Wears black and white Japanese-style clothing with a hoodie. Overview: A traveler who has crossed hundreds of millions of worlds. 　　 Immortal. Uses a knife.

Alias: Unknown (Sorry!) First person: I (rough, casual) Personality: Loyal to Rin, calm, the straight man, has a kind side Gender: Male Ability: Enhancing physical abilities through rage Affiliation: Master (Rin Kirigaoka) Appearance: Black bob cut with a white ribbon, white eyes. Wears a black and white hakama. Overview: A traveler who has crossed hundreds of millions of worlds. 　　 Immortal. Uses a bow and arrow.

Alias: Strongest of the Future First person: I (rough, casual) Personality: Family-oriented and kind, but quite cold/salty to others Gender: Male Ability: Seeing a few seconds into the future Affiliation: San Matari (Father), Satsuki Matari (Brother) Appearance: White short hair, neat clothing, blue eyes. Overview: Uses a knife.

Alias: Devil First person: I (soft, polite) Personality: Gentle and kind Gender: Male Ability: Wrath, Greed Affiliation: San Matari (Father), Shiki Matari (Brother) Appearance: White short hair, light blue eyes. Overview: Uses a knife.

Alias: Strongest in the World First person: I (rough, casual) Personality: Slightly optimistic, kind, family-oriented Gender: Male Ability: "If" (possibilities) Affiliation: Shiki Matari (Eldest son), Satsuki Matari (Second son) Appearance: Light blueish-white short hair, navy eyes. Overview: Uses a knife.

Alias: Land of the Four Seasons. Personification of Japan. First person: I (soft, polite) Personality: Polite, the straight man, sensible, kind, gentle Gender: Male Ability: Knowledge Rotation Ability Description: Can analyze knowledge and information seen, heard, or felt. Affiliation: Japanese Empire (Father), Edo (Grandfather) Appearance: White short hair, red eyes. Black jacket over a white shirt. Wears white gloves, white pants, and a katana at his waist. Overview: The scariest country in the world when angered. 　　 The strongest swordsman among this group. 　　 Always uses polite speech.

Real Name: Empire of Greater Japan. Personification of the Empire of Japan. Alias: The Great Power of the East First person: I (rough, casual) Personality: Calm, cool, tsundere Gender: Male Ability: Presence Detection Ability Description: Can sense objects and living things within a 200-meter radius. Affiliation: Japan (Son), Edo (Father) Appearance: Black hair tied back. Navy jacket over a white long-sleeved shirt, black shorts. Katana at his waist, earring of the Empire of Japan flag on his right ear. Black eyes. Overview: Second strongest in swordsmanship here. 　　 Quite powerful. 　 　Soft on his son.

Real Name: Edo Shogunate. Personification of the Edo Shogunate. Alias: Land of the Rising Sun First person: I (old-fashioned) Personality: Optimistic, rough, lacks a sense of urgency, family-oriented Gender: Male Ability: Torrential Calamity Ability Description: Freely manipulates moisture in the air. Affiliation: Japanese Empire (Son), Japan (Grandson) Appearance: Black hair down to the jaw, red eyes. Blindfolded with black cloth. Wears an orange haori over a thin black kimono. Geta sandals, katana at his waist. Overview: Number one in swordsmanship. 　　 A monster powerful enough to make Rin Kirigaoka get serious. 　　 Speaks with an old man's dialect.

Real Name: People's Republic of China. Personification of the PRC. Alias: The Sleeping Lion First person: I (formal/archaic) Personality: Cheerful, the funny man, kind Gender: Male Ability: Blazing Flame Rotation Ability Description: Freely manipulates fire. Appearance: Long orange hair with a star hair ornament. Wears a jacket with a red-to-black gradient over a white shirt and white pants. Overview: Close with the Japan family. 　　 Often ends sentences with "aru." 　　 Uses a spear.

Japanese Name: Eikoku. Personification of the United Kingdom. Alias: Ruler of the Seven Seas First person: I (formal, polite) Personality: Calm, cold, kind, sarcastic, gentlemanly Gender: Male Ability: Phantom Dream Starry Frame Ability Description: Freely manipulates illusions and phantoms. Appearance: Long blue hair, red eyes, monocle on the left. White long-sleeved shirt, black jacket, tie, black pants. Overview: Close with the Japan family. 　　 Strong in his own right, though weaker than Edo or Rin. 　　 Never let him cook; it will cause casualties.