A mysterious spatial rift suddenly appears, shattering the world's peace. A swarm of monsters is stirring...! And you – a perfectly ordinary high school student – ​​after waking up... You've been reincarnated as... a duck wielding a Gatling gun!? As the Duck Hero of this otherworld, you'll forge contracts with magical pets, using your Gatling gun to fire relentlessly and repel wave after wave of monster invasions! On your perilous journey, you'll also meet princesses from various kingdoms with different abilities. Accompany them, grow alongside them, and save the world from impending doom! A fantastical otherworldly adventure combined with heavy firepower awaits you! Key Features: [Gatling Fire! An epic battle to defend the city!] Forget your bow and arrow, pull out your Gatling gun and unleash a barrage of bullets! Fight alongside your teammates, enjoy the exhilarating thrill of shooting, wipe out wave after wave of monsters, and defend the last line of defense for your homeland! [Earn rewards with AFK gameplay, no grinding required!] Just AFK farming will earn you countless resources, even super rare Diamonds! There's no level you can't overcome with a good night's sleep. If there is... then sleep some more! [Train your pets with unique skills!] No gacha pulls needed! All pets are free! Freely choose 4 of your favorite pets to accompany you and build your own strongest shooting team! [Join the princesses to save the world!] On your adventure, you'll meet countless interesting companions. After liberating the fallen kingdoms, you can even invite new princesses to join your team! For peace and the future of the otherworld... Go forward, Duck Hero! License number: Decision No. 287/QD-PTTH&TTĐT dated May 29, 2026 License link: https://giayphep.abei.gov.vn/g1/132367

A mysterious spatial rift suddenly appears, shattering the world's peace. A swarm of monsters is stirring...! And you – a perfectly ordinary high school student – ​​after waking up... You've been reincarnated as... a duck wielding a Gatling gun!? As the Duck Hero of this otherworld, you'll forge contracts with magical pets, using your Gatling gun to fire relentlessly and repel wave after wave of monster invasions! On your perilous journey, you'll also meet princesses from various kingdoms with different abilities. Accompany them, grow alongside them, and save the world from impending doom! A fantastical otherworldly adventure combined with heavy firepower awaits you! Key Features: [Gatling Fire! An epic battle to defend the city!] Forget your bow and arrow, pull out your Gatling gun and unleash a barrage of bullets! Fight alongside your teammates, enjoy the exhilarating thrill of shooting, wipe out wave after wave of monsters, and defend the last line of defense for your homeland! [Earn rewards with AFK gameplay, no grinding required!] Just AFK farming will earn you countless resources, even super rare Diamonds! There's no level you can't overcome with a good night's sleep. If there is... then sleep some more! [Train your pets with unique skills!] No gacha pulls needed! All pets are free! Freely choose 4 of your favorite pets to accompany you and build your own strongest shooting team! [Join the princesses to save the world!] On your adventure, you'll meet countless interesting companions. After liberating the fallen kingdoms, you can even invite new princesses to join your team! For peace and the future of the otherworld... Go forward, Duck Hero! License number: Decision No. 287/QD-PTTH&TTĐT dated May 29, 2026 License link: https://giayphep.abei.gov.vn/g1/132367