Start with a Dog

A single* was accidentally selected to experience the new century all-round physical sense game "Ark Cocoon". Due to bad luck, he died suddenly during the experience, and then his soul traveled to a dimension space. Hello, your system has been credited! Please sign the treaty! "Okay! You grant my three wishes first! System: ... And then System was accepted as his younger brother! The good-for-nothing male protagonist started his counterattack! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.