Isekai Quartet Season 3

Greatness in the Shadows
Sid Kageno is a Japanese high school student who dreamed of becoming the perfect shadow ruler. After being reincarnated, he gained magical powers and founded the organization "Shadow Garden." Sid often perceives real events as a game of villains and heroes, but his actions truly save the world.
Shadow is Sid's alias during covert operations. This persona portrays him as an enigmatic and nearly invincible leader.
Alpha is the first of the Seven Shadows. She is intelligent, calm, and leads important operations. Alpha has absolute faith in Sid.
Beta is a scout and writer. She gathers information, records stories, and tries to impress Shadow.
Gamma is the organization's business leader. She developed the retail network and is responsible for the financial strength of the Shadow Garden.
Delta is a beastman with immense physical strength and keen instincts. She loves combat and takes direct action.
Epsilon is a talented sorceress. She is proud, artistic, and strives to look flawless.
Zeta is a specialist in reconnaissance and covert missions. She operates covertly and gathers information on enemies.
This one is an inventor and researcher. Her experiments help the organization create new technologies and weapons.
Claire Kageno is Sid's older sister. She considers him strange and weak, not realizing he is a Shadow. Claire possesses her own fighting abilities and worries deeply about her brother.
Alexia Midgar is a princess and a student at the academy. She is intelligent, straightforward, and skilled in political intrigue.
Rose Oriana is the princess of a neighboring kingdom. She is kind, but capable of making difficult decisions to protect her people.

Cautious Hero
Seiya Ryuguin is a hero destined to save the world of Geibrude. He possesses incredible strength, but he carefully examines every detail and prepares for even the most unlikely threats. Seiya can train several times before a single battle and destroy an enemy with a huge reserve of strength.
Ristarte is the young goddess who summoned Seiya. She is emotional, strives to fulfill her duties as a goddess, and constantly argues with the hero over his excessive caution.
Ariadoa is an experienced goddess who assists other gods. She has extensive knowledge of heroes and saving worlds.
Mitis is the goddess of training. She helps heroes develop their bodies and combat skills.
Mash is a warrior from the world of Geibrude. She becomes Seiya's ally and participates in the fight against the forces of destruction.

The Rising of the Shield Hero
Naofumi Iwatani is a student summoned to another world as the Shield Hero. Initially, he was unjustly accused of a crime, causing him to become distrustful and withdrawn. Over time, Naofumi made friends, learned to trust people, and developed into a powerful protector.
Raphtalia is a demi-human girl whom Naofumi rescued and trained. She became his first true ally. Raphtalia is a skilled swordswoman, is known for her courage, and is greatly valued by Naofumi.
Filo is a member of the Filolial race. In human form, she appears as a little girl, but in her true form, she transforms into a huge bird. Filo is extremely fast, strong, and loves carriages.
Melty Q Melromarc is the kingdom's youngest princess. She supports Naofumi and possesses a talent for water magic.
Fitoria is the ancient queen of the Filolials. She protects the world from waves of catastrophe and ensures that the four heroes fulfill their duties.
Ren Amesaki is the Sword Hero. At first, he's overconfident and treats the journey as a game, but he gradually comes to understand the consequences of his decisions.
Motoyasu Kitamura is the Hero of the Spear. He is energetic, naive, and overly infatuated with women, especially Filo.
Itsuki Kawasumi is the Bow Hero. He considers himself a champion of justice, but is sometimes too quick to judge others.

Saga of Tanya the Evil
Tanya von Degurechaff is the soul of an adult Japanese employee, reincarnated in the body of a young girl. Due to a dispute with a mysterious being called God, or Being X, she became a military mage. Tanya is cold, calculating, and yearning for a quiet life, but her military successes continually elevate her status.
Victoria Ivanovna Serebryakova is Tanya's loyal subordinate. She is proficient in magic and participates in the most dangerous operations.
Matthäus Weiss is a skilled battle mage and a member of Tanya's squad. He is disciplined, courageous, and respects her as a leader.
Erich von Lergen is a General Staff officer. He sees Tania as both a brilliant soldier and a potential threat to the entire army.
Hans von Cetur is a high-ranking military strategist. He values ​​Tanya's effectiveness and utilizes her unit for complex missions.

Re:Zero
Natsuki Subaru is an ordinary Japanese teenager who is suddenly summoned to another world. His main ability is "Return by Death": after death, he returns to a specific point in the past. Subaru isn't the strongest fighter, but he is persistent, emotional, and willing to save his friends.
Emilia is a half-elf with silver hair. She is involved in the struggle for the throne of the kingdom of Lugnica. Emilia is kind, caring, and wields ice magic, but her resemblance to the Witch of Envy makes many view her with suspicion.
Rem is a servant and oni demon from the Oni Village. She possesses great physical strength and is skilled in fighting with a battle flail. Rem is extremely loyal to Subaru and is willing to sacrifice herself for her loved ones.
Ram is Rem's older sister. After losing her horn, her power has diminished, but she still possesses a talent for wind magic. Ram is sardonic, self-assured, and devoted to Roswaal.
Beatrice is an artificial spirit and the guardian of the forbidden library. She lived a long life of solitude until she became Subaru's ally. Beatrice is particularly skilled in Yin magic.
Roswaal L. Mathers is an eccentric mage and the head of the estate. He supports Emilia, but conceals his own agenda and operates according to a complex plan.
Otto Suwen is a merchant and traveler with the ability to communicate with animals and insects. Although he initially appears cowardly, he gradually becomes one of Subaru's most trusted allies.
Garfiel Tinsel is a powerful protector of the shrine. He can transform into a massive beast. Garfiel is hot-tempered, but has a strong sense of responsibility.
Reinhard van Astrea is the kingdom's greatest swordsman. He has received numerous divine blessings and is capable of defeating almost any opponent.

KonoSuba
Sato Kazuma is a withdrawn Japanese teenager who, after his death, finds himself in a fantasy world. He doesn't possess exceptional physical strength, but uses cunning, luck, and unusual skills. Kazuma often acts selfishly, but is capable of protecting his comrades in dangerous moments.
Aqua is the goddess of water who sent Kazuma to the new world. She is powerful against the undead and can use powerful holy magic. However, Aqua is capricious, overconfident, and often causes problems for her team.
Megumin is a young sorceress of the Crimson Tribe. She only uses explosion magic and casts it once a day, after which she loses her powers. Megumin is proud, theatrical, and takes her spells very seriously.
Darkness is a noblewoman and crusader. She has high defense and immense stamina, but she rarely hits enemies. Darkness is brave and loyal, though her odd quirks often become a source of comedy.
Wiz is a kind person and a former member of the Demon Lord's army. She runs a magic item shop, but she's poor at managing it and is constantly losing money.
Vanir is a powerful archdemon. He can read minds, create copies, and predict the actions of his enemies. Vanir enjoys dramatic entrances and psychological games.

Overlord
Ainz Ooal Gown—Momonga's real name. He was an ordinary Japanese player who stayed in the game after the server shut down and suddenly found himself in the world of Nazarick. Now, Ainz is an undead, the lord of the Great Tomb, and the head of a powerful organization. He tries to appear a wise ruler, though he often improvises and fears disappointing his subordinates.
Albedo is the supreme administrator of Nazarick. She is responsible for internal order and is completely in love with Ainz. Albedo is intelligent, dangerous, and a master of politics.
Shalltear Bloodfallen is a vampire and guardian of the first through third floors of Nazarick. She is strong in close combat and has regenerative abilities. Shalltear competes with Albedo for Ainz's affections.
Demiurge is a demon and one of the most intelligent Guardians. He deals with strategy, politics, and secret plans. He often understands Ainz's actions far more deeply than they were intended.
Cocytus is a warrior and guardian of the fifth floor. He possesses immense strength, honor, and respect for worthy opponents.
Aura and Mare Bello Fiore are dark elf twins. Aura controls beasts and is a skilled fighter, while Mare specializes in powerful earth magic.