This is a collection of short stories set within the Academy Showdown universe. The stories that end in cliffhangers (excluding flashbacks), may either be directly referenced or concluded at some point in the main story. However, some plot points featured here may be subject to change in the future.

He was just a nobody—unseen, unloved, and unwanted. In a world that never looked his way, he stumbled through life carrying invisible wounds… …until one fateful moment dragged him into another realm—a land twisted by curses, shadows, and silent wars. With no power, no past, and no one to tru...

Touska never thought he'd see her again, not since elementary school. But on the day of the Hoshikawa High entrance exam, he sees Aika Fujisawa under the cherry blossoms once more. A story of quiet beginnings, blooming feelings, and moments that just might last forever or only until spring ends....

What would happen if you got isekaied and woke up a few billion years ago back when the earth was still magma and have to make it all the way back to premodern isekai time. That's Rin's story. After her hellish experience she goes through the normal isekai process and realises that she's too damn...

In the beginning, Light and Darkness danced in harmony across the void. But harmony shattered when Light gave birth to the gods, time, and endless worlds—sparking a rift that would echo for eternity. Fourteen billion years later, one such world teeters on the edge of annihilation. Under ...

Tom, an ordinary high school student, never expected danger to find him in the park near his home. A strange encounter with a mysterious picture book traps him in a world where nothing is as it seems. There, he finds Rena—his childhood friend who had mysteriously disappeared—waiting for him...

Shimizu Ace, age 17, is a prodigy making waves in the Trading Card Game scene. At school and his part-time job, he's unassuming, he doesn't have many other skills, but in competition he's dominant. However, without even being able to win a major tournament, he dies in a stabbing. He wakes up, and...

In grief from which he can't relax, Love blurs with death in parallax, He follows in her tragic tracks, To raise the fallen through the cracks, And finish what he had begun, To do what cannot be undone, Pursued by what he can't outrun, The end, friend, comes for everyone

With the world set to unravel in a year after the "Pacific Explosion", Asahi, a reclusive and disillusioned artist, has no plans to leave his apartment—until an old friend, Haruto, reappears with an urgent request. Reluctant at first, Asahi is forced to confront his past when a mysterious letter ...

When Satoru, a Japanese high schooler, decides to spend his summer in Germany with his older sister Miho, he expects an exciting change of pace. What he doesn’t expect is to end up sharing the apartment with an extra guest. Silke, the younger sister of Miho’s friend, is a beautiful girl just a ye...