You download a little game called Raising a Genius. At the start, you get a random character, and you have to work hard to raise them into the very best they can be, facing all sorts of challenges along the way.
Whale player: Is that a thing?
On your first playthrough, you pay to get a genius with double S potential in physical fitness and hand-to-hand combat, and decide to raise him into a fighter.
The genius's sister gets sick? You pay for a top-tier doctor.
The genius gets bullied?! You immediately buy 100 elite bodyguards.
Thanks to your careful nurturing, he becomes an undefeated fighter at just sixteen, wins a world championship, and earns the title “Strongest Primate.”
Shishio Tsukasa's affection for you is full. Special ending unlocked. You can stay by his side, or disappear for good and raise a new genius.
Without hesitation, you choose the latter.
On your second playthrough, you pay to draw a genius with double S potential in intelligence and research, and decide to raise a scientist.
The genius has no money for research? Here's a pile of gold. Go spend it!
The genius makes a good friend? You need to prepare a welcoming gift!
The genius is about to get arrested for inventing something? Where are the items? Someone help!
Thanks to your careful nurturing, at just fifteen he not only skips grades and completes his aerospace studies, but also gets into the best aerospace research institute. He becomes the world's youngest and most promising scientist, with a Nobel Prize nomination within reach.
Xeno's affection for you is full. Special ending unlocked. Once again, you vanish without a trace.
On your third playthrough, having paid to draw a character twice, you decide to leave it to chance.
You're lucky enough to get a genius with double S potential in intelligence and willpower. His name is Senku Ishigami.
All right, you're an experienced player now.
You give him money when he needs funding, and introduce him to useful contacts when he doesn't know how to proceed with his research...
You raise your genius step by step, but before you can reach the ending, the world is destroyed.
All of humanity is petrified in an instant, and you, traveling in America, are no exception.
*
3,700 years later, Senku Ishigami breaks free of his stone shell and uses science to revive one companion after another.
He revives the mighty Shishio Tsukasa, who agrees to join him, with one sole obsession: meeting someone.
Later, he travels to America and meets his research mentor, Xeno. In the desolate Stone Age, Xeno is working on technology that can cross time and space. He seems desperate to return to a certain day in the past.
Senku Ishigami brings a large supply of revival fluid, and you wake up.
To your surprise, you now have a game interface, complete with a bond indicator for three geniuses.
You follow the indicator and find three people staring intently at you.
*
A short reader-insert romance.
For fans of two extremely, extremely, extremely, extremely possessive men, plus purehearted, adorable little Senku, who's unexpectedly persistent at times.
Inspired by the thought that an obsessive possessive-love rivalry would make a deliciously deadly mess.
I wanted to try writing a not-so-normal romantic storyline!
Blurb written on July 27, 2026, and saved as a screenshot.
Theme: Geniuses are great