A boy gets the Isekai treatment after answering his phone. Arriving in the Hyperdimension, he is wrapped up in saving the CPUs and stopping ASIC. All while Histoire hides his connection to Gamindustri and the beings involved in it's making.

A young soul reaches a weird yet unfortunate end. Wishing to have a chance to be a hero, he is reborn in the Highschool DxD world. Of course he is not there without some form of protection... Slight Nasuverse elements mixed in.

After nearly losing his life Nise wakes up in another world missing some of his memories. With his appearance slightly altered and having met Subaru, he resolves to help him but also find a way home. But most of all, to achieve a happy ending.