gdgd men's Party - S01

In the series, Light and Yomi happily spend their days playing video games. One night, while everyone else is asleep, Light gets an invitation from Alpha, a messenger for someone named King. Light and Yomi are then pulled into another world, where they have to go on a quest to rescue Princess Melody from the demon lord. Light believes this must be his destiny, while Yomi finds it kind of annoying. They team up with Alpha to begin their quest. Alpha, it turns out, is an AI robot, and he has a program that lets them raise their levels as they slowly make their way through the adventure.