In Another World With My Smartphone: Volume 25 - In Another World With My Smartphone (light novel)

A world-class magic train between Belfast and Regulus is about to begin its inaugural journey, and Touya's got tickets for the whole family! Well, his whole family minus his children who are still scattered across the world...

Can Touya and his wives still have a good time on their trip? Which child will make it to Brunhild next, and what will they bring back with them? Are the wicked devout going to continue their vile machinations for much longer? And most importantly to Touya's wives: will Lu finally be able to bake the perfect zero-calorie cake?!

It's full steam ahead in this tale of swords, sorcery, and sorcerous swords!