Kanata sits in an empty classroom playing card games on his phone…until an earthquake traps him in an otherworldly dungeon ruled by a demon! But there, he discovers that he can summon the 300 cards from the game and invoke their powers! Can he fight his way to freedom with his card gaming skills?! (Source: K MANGA)

The novel version of Zekkyou Gakkyuu. Each volume consists of stories from the manga.

Yakumo is an adventurer who was expelled from the \[Holy Sword Group\] after his unique skill was determined to be a small fry skill. However, as a result of protecting his friends during the final dungeon capture, another unique skill “Maximum Magic” awakens! Instantly kills a powerful monster solo. Yakumo decides to take on a request from the guild as a solo soloist. On the way, Armine, a beautiful elf alchemist, comes across a place where she is being attacked by monsters. When I helped her with her awakened power, she invited me to join her own party…!? Is the skill to manipulate “paper” a “god” skill? Become the strongest! An exhilarating upstart battle fantasy!