2073 Nian De Dianzi Wanju

In 2073, a virtual reality console revolutionizes the world. The 2R, Dream-Reality, reproduces the mechanism by which the brain dreams, to simulate a virtual reality with a higher sensory dimension.
A young video game enthusiast is entrusted with a strange mission, and finds himself following in the footsteps of his first love…

(Source: Kana, translated)