Battle of Despair
Heero and Lucia struggle in front of the "three sacred treasures / cards" with Maura's despair. Overflowing grudges, repeated curse words, Maura is no longer Maura. …… Still, Maura for Heero is a “friend”. An irreplaceable "friend" connected by Shadowverse. "Maura! I will never give up! You and this world!"
Aired 08/12/2020EP 34 - Battle of Despair

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)