[3] Tokyo Afterschool Summoners is a free-to-play card-based role-playing video game with turn-based battles.

The game utilizes an affinity system wherein buffs are applied when the cards of characters who have a relationship ("love", "like", "dislike", and "rival") are used in battle together.

[3] The protagonist awakens in a version of Tokyo where "transients" – supernatural beings from fantasy and mythology – live among humans.

The player controls the protagonist as they form a guild of their own, gather companions, and attempt to uncover how they have arrived in this world.

Tokyo Afterschool Summoners features an extensive supporting cast of over one hundred unlockable characters.