Saikyou Shoukanshi wa Around 30 Ossan ~Card wo Oya ni Shobun sareta Card Gamer no Isekai Musou~最強召喚士はアラサーおっさん～カードを親に処分されたカードゲーマーの異世界無双～; Saikyou Shoukanshi wa Around 30 Ossan ~Card o Oya ni Shobun sareta Card Gamer no Isekai Musou~; The Strongest Summoner Is a Thirty-Something Guy: The Other World Domination of a Card Gamer Whose Cards Were Disposed of by His Parents

Kamifuda Sosaku, a card gamer who, even at 30, continues to enjoy the same otaku lifestyle he had as a child. While his fellow otaku friends progress through various life stages, leaving him isolated, his mother sells off his precious collection. Before he can even process his despair, hes suddenly transported to another world. Though initially at a loss, Sosaku discovers that his otherworldly transfer has granted him the ability to turn monsters into cards and summon them. After using this power to save two girls from a monster attack, the middle-aged card gamers conquest of this other world begins!!