The Silver Guardian is a tV short anime that premiered in spring 2017, produced by Studio LAN.

About the production: the story comes from a manga, there are 12 episodes of about 14 minutes and its current status is "finished".

Its main genres are action, comedy, fantasy and supernatural, with themes such as Shounen, Isekai, Video Games and Male Protagonist.

On AniList, The Silver Guardian has an average score of 57%, an average score, and appears on 27,282 users' lists.

The franchise continues in or follows from: Gin no Guardian 2.

Suigin and Rei both play the MMORPG Dungeon Century. But after adventuring together for weeks, the game’s servers shut down to make way for the latest world-altering title. Grave Buster—a video game proclaiming “reality beyond reality” hits the shelves, and Rei is pulled into it by forces unknown. Now it’s up to Suigin to rescue her from the virtual world, no matter the cost. (Source: Funimation)

Official synopsis from AniList.