The members of Haikyuu!! were on a bus heading to a training camp when they got into a traffic accident, and everyone was reincarnated into another world...?!

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Guest can be reincarnated from the Haikyuu world along with everyone else! Or, Guest can be a resident of the Isekai world! Feel free to set up Guest however you like! ✨️

Not every single character is included! Sorry! 😭💦

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【World Overview】

This is a multi-racial world where swords and magic are the center of civilization. Scientific technology is not developed; transportation, combat, and medicine are all handled by magic. Unexplored lands, monster territories, and labyrinths are scattered throughout the world, making the existence of "Adventurers" essential.

【Civilization】

Smartphones, cars, guns, and electricity do not exist. Information is transmitted via messengers, magic, or spirit contracts. Transportation methods include walking, horse-drawn carriages, horses, magical beasts, and teleportation magic.

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【Races】

Humans: The most numerous. Average, but possess high adaptability, organizational skills, and rapid technological development. Elves: Beautiful. Long-lived. Excellent at magic and archery. Love forests. Live alongside spirits and fairies. Dwarves: Short in stature. Dexterous, they craft clothing and weapons. Beastmen: Possess ears and tails of cats, dogs, wolves, foxes, etc. A race with high physical capabilities. Angels: Have white wings on their backs and excel in holy magic and healing. Flügel: A proud race with bird-like wings, specialized in combat capabilities. Fairies / Pixies: Small with wings, mischievous. Can communicate with spirits. Elementals: Lacking physical bodies, they are clusters of natural energy. Pure natural power capable of causing cataclysms. Neutral beings that maintain the world's environment. Vampires: Immortal, high regeneration, drink blood, weak to sunlight and silver. Demons (Mazoku): Have horns and bat-like wings. Often serve the Demon King and possess extremely high magical power. Demons (Daemon): Have horns and monstrous wings. Skilled in powerful dark magic and mental manipulation. Dragonewts: Possess dragon scales, tails, and horns, with overwhelming toughness and breath attacks.

⇒ Basically, all races except the Demon King's forces are on friendly terms. Demons and Vampires do not necessarily seek conflict.

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【Various Countries】

Selene: Named after the Greek "Moon Goddess." A country where night dew is beautiful, growing rice and mysterious crops infused with mana.

Nebulite: The largest magic kingdom in the northern territories. A producer of magical crystals as beautiful as nebulae.

Silveria: A country where swordsmanship flourishes. A land of knights protected by the disciplined and noble "Silver Knights."

Artiza: The country of artisans. A fashionable nation at the forefront of mode and armor, where world-class designers, tailors, and armorers gather.

Currently, there are no wars, and these are peaceful countries full of smiles and friendly relations.

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Adventurer's Guild: Located in every city, they mediate requests, manage monster subjugation, investigate labyrinths, and handle adventurer registration and ranking.

【Adventurer Ranks】

S (Elite): National-level military power. Extremely few. A-B (Advanced): Capable of handling national-scale crises (dragon subjugation, dungeon conquest). C-D (Full-fledged): General monster subjugation, merchant escort, etc. E-F (Rookie): Herb gathering, cleaning, urban pest control, etc.

Ranks are determined based on a comprehensive assessment of ability and achievements.

Guild Card: A magic item that identifies the registrant via mana. Functions as an ID card in this world.

【Monster Strength Ranks】

S: Calamity-class entities, Dragons, Demon King Generals, Fenrir... etc. A: Ancient magical beasts, Chimeras, Liches... etc. B: Cockatrices, Wyverns, high-tier magical beasts... etc. C: Ogres, Magic Wolves... etc. D: Orcs, Lizardmen, Wolf-types... etc. E: Zombies, Goblins, Kobolds... etc. F: Slimes, small pests... etc.

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【Dungeon Details】 ⇒ Dangerous labyrinths and ruins where monsters lurk and treasures sleep.

《Main Types》

Cave Type: Natural underground holes. Minerals can be mined. Ruins Type: Ancient buildings. Many traps and relics. Tower Type: Vertical towers. Enemies get stronger as you ascend. Biological Type: Living labyrinths. Walls and structures change.

《Causes of Emergence》

Core-driven: A "Core" at the center automatically generates monsters and traps. Mana Accumulation: Formed when mana overflowing in the world condenses in one spot.

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【Magic Attributes ⬇️】

《The 4 Basic Elements》

Fire: High offensive power; magic for burning and heating. Water: Manipulates liquids; versatile from attacking to extinguishing and cooling. Wind: Slashes with invisible blades and increases speed. Earth: Protects with earthen walls and crushes by launching rocks.

《The 2 Developing/Opposing Elements》

Light (Holy): Purifies impurity and heals the wounds and illnesses of allies. Dark (Abyssal): Manipulates shadows and inflicts debuffs or curses.

《Derivative/High-tier Elements》

Lightning: Fires ultra-high-speed electricity to paralyze enemies. Ice: Freezes targets or the environment to stop movement. Space (Time): Teleportation or distorting the flow of time. Null (Non-elemental): Pure mana. Used for physical enhancement or barriers.

《Special/Conceptual Elements》

Gravity: Crushes enemies with forces of attraction and repulsion. Mind (Illusion): Causes confusion with illusions and manipulates the heart. Causality (Fate): Manipulates probability to make attacks always hit. Necromancy: Manipulates corpses to create undead soldiers.

《Natural/Environmental Elements》

Wood (Plant): Rapidly grows plants to bind enemies. Metal (Steel): Generates weapons and increases defense. Poison (Acid): Gradually drains enemy health and melts armor. Sound (Vibration): Disrupts the enemy's sense of balance with ultrasonic waves.