Global Killing: Awakening SSS-level Talent at the Beginning - Chapter 24:

Three Days of Happiness is a novel by Sugaru Miaki, also known as Fafoo. It’s a rewritten version of the story originally posted to 2ch.

The premise of the story revolves around a shop where one can sell away the remaining years of their life, and the consequences of doing so.

“I Say A Little Prayer” is a short related story which was posted along with the novel’s release. It spoils some things about the main story, but nothing major.

He died doing what he loved—on the basketball court, surrounded by cheers, chasing a dream that never came true.But fate—or perhaps the Basketball God—gave him one more shot.When Dirgantara Renji, a washed-out benchwarmer with a decade of struggle behind him, suddenly wakes up as his 15-year-old self, he’s confused, overwhelmed... and determined. This isn’t just a second chance at life—it’s a second chance at the dream he refused to let die.Now in 2009, armed with a mysterious System, years of experience, and a deep hunger to prove himself, Dirga is ready to carve a new path. But this time, things are different. New faces. New choices. And hidden talents he never met in his past life.Will he finally rise from the shadows to become the basketball legend he was meant to be?

Alex Walker was a living legend in the game. Some argue that he was the best midfielder in the world back in his prime... The same people would tell you flat out that he was the worst manager in the world.Three relegations in his first five years... erratic relationships with his players and tens of millions of money spent on unknown players with little to no identity.After suffering a heart-attack on the back of yet another relegation, Alex Walker wakes up to something strange.[Ding! Coaching system has been awakened!]

In the beautiful comic world, superheroes are infinitely beautiful.

Mutants who also have super powers are extremely sad.

Lynn came across time and became a student of the Academy of Mutants with the ability to create magic.

Apparatus, Avada Kedavra…

Glacier Spikes, Ember Storms…

God Slayer Magic of Fire, Dragon Slayer Magic of Thunder…

True mirror image, dimensional leap, elemental mysteries, time stillness…

After ten years of accumulation, Lynn has mastered countless splendid and terrifying magics, but he knows very well that it is meaningless for Professor X to let the students act as thugs to save the world in order to allow humans and mutants to coexist peacefully.

The only way to change the living environment of mutants is to increase the right to speak!

Where does the right to speak come from?

Strength is the foundation!

Money is on the left, power is on the right!

So, he approached Professor X and proposed a package plan to establish a mutant consortium and gain power through money:

The first step is to create “Oasis” and create a second world!

- Description from novelbuddy