In Another World with My Smartphone Novel Volume 9 was written by Patora Fuyuhara and features illustrations by Eiji Usatsuka.

Mochizuki Touya continues his work as grand duke of Brunhild. He's the proud inheritor of the (almost) complete Babylon Islands, the mighty master of the Frame Gear Mechs, and a slowly flowering bud of divine power, but that doesn't mean he has any room to relax! The time has come for answers! A new threat emerges within the Roadmare Union! But can Touya convince the mighty doge that his Frame Gears are the right method to deal with the oncoming danger? Just who is the enigmatic Ende, and what does he have to do with the crystal creatures that so recklessly bring the world closer to despair? Just what is the secret of Touya's divinity? Put on your thinking caps for a tale of swords, sorcery, and custom-built mechatronics!

In Another World with My Smartphone Novel Volume 7 was written by Patora Fuyuhara and features illustrations by Eiji Usatsuka.

16-year-old Mochizuki Touya has it all. Grand Duke of an upstart nation, inventor of goods ranging from hula hoop to caramelized popcorn, administrator of Babylon, and pilot of the Anti-Phrase Frame Gears. The western nations love him... but darker machinations unfurl in the far east.

Yulong, the glorious Empire of Heaven, regards Touya with envious eyes, brazen enough to send assassins into Brunhild! To make matters worse, the mysterious young girl known as Sakura seems to have a connection with these dark assailants. In the background, dark forces gather. Something big approaches. Something far greater than anything Touya has ever faced before.

In Another World with My Smartphone Novel Volume 8 was written by Patora Fuyuhara and features illustrations by Eiji Usatsuka.

Prepare your best dice rolls for a hair-raising tale of swords, sorcery, and forbidden knowledge!

16-year-old Mochizuki Touya continues his noble quest to delve into the Babylon Ruins, but a deadly tabletop session could easily spell turmoil for the boy and his party. Meanwhile, Leen the fairy makes some considerations with far-reaching implications...

In Another World with My Smartphone Novel Volume 10 was written by Patora Fuyuhara and features illustrations by Eiji Usatsuka.

Spring has sprung in Brunhild, and Mochizuki Touya continues to live his happy-go-lucky life. Flowers bloom, parties come and go, and everything seems just about fine... But wait! The mysterious pink-haired girl, Sakura, is identified by someone. Just what could this mean for her?

Who exactly is Farnese Forneus, and what is her connection to the overlord of Xenoahs? But wait, a more pressing issue is the final piece of Babylon, and the remarkably twisted secret it has in store for our heroes... Set a very cautious course for a tale of swords, sorcery, and advanced cryogenics!