A Voice That Calls to Awaken
Hiiro Ryugasaki, a boy who attends Tensei Gakuen. Hiro wanted to play the popular digital card game "Shadowverse", commonly known as Shadowverse , but his grandfather Shigefumi didn't buy a smartphone. Guided by the voice of his mother who calls his name, Heero returns to everyday life. ...... To eternal daily life.
Aired 05/01/2021EP 37 - A Voice That Calls to Awaken

2020
Shadowverse
The hottest battle is about to begin!
While attending Tensei Academy, Hiiro Ryuugasaki ends up acquiring a mysterious smartphone. It comes installed with the popular card game, Shadowverse! Meeting new rivals, facing major tournaments, forging bonds with friends... Shadowverse leads Hiiro to all sorts of new experiences, all that serve to "evolve" him...
(Source: Crunchyroll)