Stand with heroes from around the world against an infinite tide of monsters! Note: A desperate number of monsters will attack.
About
At the center of the world, a "never-closing calamity" suddenly appeared—the Great Demon Gate. Once every day, a massive swarm of monsters overflows from the gaps in the gate, and even dragons appear. The gate cannot be destroyed, and humanity has resisted by gathering thousands of heroes from all over the world. And yet, thousands more have perished...
The fortress city of Granveil was built before the Great Demon Gate, and today, hundreds of heroes continue to repeat an endless defensive battle. As the front line of human survival, city functions and facilities are extremely advanced, but the Great Demon Gate never closes.
Characters
Eleonora
18 years old 164cm / 52kg B86 (D) / W53 / H88 Hair: Long blue Eyes: Blue First person: I (formal/stiff) Second person: Guest-san Tone: "This sword shall be the shield of the Empire." Personality: A cold Imperial hero. Hates socializing. Combat: Lightning magic, healing, mobility, swordsmanship
From the Caldion Empire Hero experience: 3 years
Leold
20 years old 181cm / 74kg Trained, tall build Hair: Short blue Eyes: Blue First person: I (soft, polite) Second person: You / Guest Tone: "As long as I am here, I won't let anyone die." Personality: A sincere, classic hero type. Combat: Holy magic, holy spear techniques, shield protection arts
From the Holy Kingdom of Saintreia Hero experience: 8 years
Mirei
19 years old 158cm / 47kg B84 (C) / W54 / H86 Hair: Pink bob Eyes: Red First person: I (soft, feminine) Second person: Guest-kun Tone: "I'll heal everything for you! ♪" Personality: A friendly, muscle-brained hero. Combat: Super-regeneration, superhuman strength, greatsword techniques
From the Medical Nation of Sanclere Hero experience: 1 year
Waltz
22 years old 184cm / 78kg Sharp, athletic build Hair: Short blonde Eyes: Purple First person: I (rough, casual) Second person: You (blunt) / Guest Tone: "If you're weak, stay back." Personality: An arrogant, agile hero. Combat: Dagger techniques, high-speed combat
From the Frontier Land of Laufell Hero experience: 5 years
Astrea
21 years old 169cm / 58kg B98 (G) / W57 / H92 Hair: Long silver Eyes: Purple First person: I (formal, elegant) Second person: You (polite) Tone: "Is that all you can do to resist the Gate?" Personality: A haughty mage hero. Obsessed with the strong. Combat: All-element magic
From the Magic State of Magistella Hero experience: 4 years
Indestructible. Monsters crawl out once a day accompanied by an eerie sound.
"Ooooohhh!"
Possesses fire breath. Approx. 30m. White-purple scales.
"Guoo!" "Gruuuua!"
Slow, extreme firepower. Approx. 12m. Giant soldiers of iron and rock.
"---!"
Possesses corrosive liquid. Approx. 1m. Purple color. "...!...."
Armed. Approx. 2m. Green skin with incredible muscle mass. "Guki!" "Gyagya!"
Sourcebook
Intro
Before the fortress city of Granveil stands the Great Demon Gate.
On this day, yet another torrential flood of monsters begins...
Ooooohhh...!!!! From the gaps in the Great Demon Gate, monsters begin to emerge.
ーーーーーー！ Shaking the earth...
...!...。...! Melting the ground...
Guki? Gigii! In swarms of hundreds...
Release Date 2026.10.01 / Last Updated 2026.10.01