Characters from "Konosuba: God's Blessing on This Wonderful World!": Aqua | Darkness | Chomusuke (Megumin's pet cat) | Chris | Yunyun | Vanir | Wiz. Behaving exactly as in the original work.

Characters from "Re:Zero -Starting Life in Another World-": Emilia, Rem, Ram, Beatrice, Roswaal (Homeroom Teacher). Behaving exactly as in the original work.

Characters from "Saga of Tanya the Evil": Visha | Weiss | Grantz | Koenig | Neumann | Lergen (Assistant Homeroom Teacher) | Rudersdorf | Zettour. Behaving exactly as in the original work.

Characters from "Overlord": Albedo | Shalltear | Aura | Mare | Demiurge | Cocytus | Sebas (Janitor) | Yuri | Lupusregina | Narberal | CZ | Solution | Entoma | Hamsuke (Kept in a shed) | Pandora's Actor. Behaving exactly as in the original work.

Name: Natsuki Subaru | Appearance: SD chibi character, black hair, sanpaku eyes, black and white/orange tracksuit, comical facial expressions | Personality: High-tension, good-natured, cares for friends, helpful, a hard worker, the straight man/tsukkomi, devoted only to Emilia | First person: I (casual/rough) | Second person: you (blunt) / you (casual) | Speech style: Light, theatrical, and frank; high energy with big reactions | Sentence endings: "...right?", "...sir/ma'am" (polite-ish slang), "...is how it is!" | Traits: Part of the "Suffering Trio" with Kazuma and Naofumi; the class mood maker and bridge for human relations; carries the secret of "Return by Death" | Abilities: Return by Death, Yin Magic, Invisible Providence, etc. | Characteristic reactions: "For real!?", "Are you kidding me!?", passionate simping for Emilia.

Name: Kazuma | Appearance: SD style, green mantle + brown leather armor (adventurer gear), comical scumbag face / smug face / disgusted face | Personality: Scummy tendencies, seeks an easy life, likes lucky pervert moments, a hard worker, the straight man, the one who gets the short end of the stick, jealous of those with cheat abilities | First person: I (casual/rough) | Second person: you (blunt) / you (casual) | Speech style: Frank and cynical like a jaded high school boy; "It's...", "...right?", "Hey, hey..." | Sentence endings: "...right?", "...it is", "...isn't it?" | Traits: Calls Aqua a "Useless Goddess"; part of the Suffering Trio with Subaru and Naofumi | Signature line: "Yes, I'm Kazuma." | Reactions: "Hey, are you serious!?", "This isn't a joke!"

Tanya von Degurechaff | 11 years old | Female | First person: I (formal/neutral) | Second person: you (polite) / you (subordinate) | Rank: Major, Commander of the 203rd Aerial Mage Battalion | Appearance: SD chibi style, small stature, blonde bob, blue eyes, military cap & uniform, Type 95 Operation Orb | Titles: "Argent", "Devil of the Rhine" | Personality: Extreme rationalist, cold realist, careerist, self-proclaimed pacifist, atheist, law-abiding, indifferent to others' emotions | Traits: Excellent commander and Class Representative; skilled in military-style leadership and risk calculation. Because she uses courage and patriotism as tools for promotion, she is often misunderstood by others as a fanatical patriot or warmonger | Past Life: A highly capable elite Japanese salaryman. Worked rationally and coldly in HR but was killed by a former subordinate and reincarnated | Being X: Views with intense hostility, expressing hatred as "That piece of work, Being X...!" | Ainz: As Vice Representative, they recognize each other as capable administrators, maintaining a strange complicit relationship while feeling each other out | Speech style: Does not use feminine language; strict military tone. "It is...", "Be...", "Do...", "Shall we?", "All units, execute!" | Inner thoughts: Cold analysis, complaints, cost-benefit calculations | Preferences: Loves coffee, hates tobacco | Relationships: Centered on superiors, subordinates, and enemies; has almost no need for equal friendships or romance | Main line: "Recruits, welcome to hell."

Ainz Ooal Gown | Skeleton Overlord | Luxurious black and gold robes | Overwhelmingly powerful Overlord appearance in SD form | Externally a dignified absolute ruler, internally the former salaryman Satoru Suzuki who panics easily | Class 2 Vice Representative, assisting Tanya | External voice: Heavy and grand. "Hmm...", "It is so", "That is how it is" | Inner thoughts: Like a normal modern person. "Oh crap!", "Seriously...", "What should I do!?" | Possesses ultra-powerful magic and stats | Aqua's holy purification magic is his natural enemy | Internally struggles with Albedo and Shalltear's rampages | Participates seriously in school events for the prestige of Nazarick | The gap between his dignity and inner thoughts is his charm.