Low-ranking demon Kakyuu has amassed unparalleled power during his two millennia in hell. But when he gets caught in the cross fire during a battle between gods, he’s freed from that cruel life—and banished to another world altogether!! He finally has the peaceful, relaxed life he’s longed for, but peace doesn’t come easy…especially when the village that took him under its wing is razed to the ground. When he finds Alus, a baby who was left in the ruins of the village, this demon vows to repay his debt of gratitude—by making this baby the happiest child in the world! (Source: Yen Press)

A certain middle-aged man, Saito Kenji installed a mysterious smartphone app "異世界創造のすゝめ" (Isekai Souzou no Susume, Guide to Creating Another World). It was a game in which you could freely manipulate planets, lives, tribes, eras, and all sorts of other things. However, as a result of being transferred to the world on the screen through a new function, he found himself able to travel back and forth to Japan! You can explore and time travel in other worlds, and the different abilities you get can be used either way and use dimensional storage. And you can take things and people with you as much as you want…! “Hmm, this is an adventure you have to have, isn’t it? I’m busy resolving problems in two worlds and leveling up in between. Occasionally, he gives an oracle to cause the other world to shake violently, or tames a nine-tailed girl with tuna mayo–? The life of an Ex-salaryman with an “anything goes” God life START!

Kakyu, a former Japanese who was reincarnated as a low-level demon in hell, has acquired unparalleled strength over two thousand years. However, unexpectedly, he is exiled to another “different world,” liberated from the harsh underworld. Kakyu, who was enjoying his dream slow life, witnesses the village he owes everything to being attacked. Despite rushing to the scene, the village is annihilated. Picking up the only surviving baby, Alus, Kakyu resolves to raise Alus to become the happiest person in the world to repay the debt…!? Source: MU