The Duchy of Brunhild is abuzz with confusion as a great airship appears in the sky, bringing with it a group of curious Gollem engineers! But what do these mysterious Seekers want with Yumina's white crown? And just what secrets lurk within the ancient ruins of Gandhilis? More importantly, will Yakumo ever come home? Hold fast for a tale of swords, sorcery, and mechanical marvels!

Once the timequake starts, it doesn't stop! Right when poor Touya's adjusting to being a dad, he's bombarded with more children! What kind of mischief will these time-travelling tykes get into next...? And what dark machinations might unfurl while our hapless hero is distracted with paternal precautions? Keep on reading for a story of swords, sorcery, and parental peril!

Still struggling to unite two worlds, fledgling god Mochizuki Touya carries on with his work. The mutants continue to attack the Reverse World, hungrily devouring the souls of the fallen in service of Yula and the wicked god. And so, it's up to Touya to teach another set of off-worlders how to pilot the Frame Gears! Hopefully he's not too late... Elsewhere, a mystery unfurls regarding a long-lost prince of a devastated kingdom... Perhaps the Mage-King of Isengard has the answers Touya seeks? Chaos runs rampant, tearing open the veil upon a story of swords, sorcery, and heterochromia!

The time has come for the showdown against the wicked god. There’s just one problem... Touya and company need to purify the venom surrounding Isengard first! But fret not, Uncle Kousuke is here to help. He just needs a little assistance nurturing a very special sapling. Meanwhile, Touya thinks back to Earth and finds his thoughts returning to the family he left behind. The final battle begins at last, ringing in a story of swords, sorcery, and very unhelpful Unicorns.

16-year-old Mochizuki Touya continues everyday life in his new world, well aware that it could all come tumbling down at any moment. He's the budding administrator of Babylon, the fledgling grand duke of Brunhild, and now he's a... mecha pilot? Desperate to find a way to halt the incoming Phrase onslaught, Touya makes a mad dash for the Hangar of Babylon, hoping it can give him the edge he needs. What he finds is the Frame Gear, an ancient humanoid fighting machine! Join Touya and his ever-growing band of wives as they tap into their mechanical sides. All systems standby for a tale of swords, sorcery, and oversized wrenches.

The conflict with the wicked god has come to an end, and Touya now presides over a unified planet. Peace may yet return to the world, but it's still far from paradise! Touya must resolve a centuries-long misunderstanding between two feuding nations, deal with a new matter of interest in the divine realm, and handle whatever small national matters come his way, all while planning for his long-awaited weddings! Sit back and relax before a story of swords, sorcery, and political intrigue!