Ultimate Choice System: I Became The Richest! - Chapter 219 Building My Own AI Assistant

Faced with a certain death, Kyle has no other choice but to gamble.

He was warned that he could perish in the Arcane Academy but he gritted his teeth and took the risk... and because of his decision, he unveiled many secrets about this mysterious world, discovered many mystical practices, touched upon forbidden relics that will change his life, and gained the enmity of powerful existences.

Thankfully, he didn't transmigrate alone. The Divine Extraction System was with him as he treaded his chosen Arcane Path…

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Many people wish to become a character in a novel they like. Side characters are the best ones to reincarnate as. And Ceaser was the same. However, the problem is, the person he reborn as, was supposed to die at that time when Ceaser appears in the fantasy world. The childhood friend of the main heroine, who was supposed to be a stepping stone for the main lead so she can grow stronger. However, now that Ceaser was in that person’s body, naturally, he couldn’t let himself get killed just after rebirth. But what consequences will he bring by staying alive? And what awaits near the end of this story, about which even Ceaser is unaware?

Ren Takahashi, a shy, hoodie-wearing tech genius, hides behind the online alias GhostHood — a quiet legend in underground hackathons. Despite appearing average in school, he dreams of becoming a real-life Iron Man — not the hero, but the builder of world-changing tech.Enter Aoi Hoshizaki, a bold, gal-style girl with a love for code, a messy room, and a mysterious spark. When she moves in next door and discovers Ren's secret, their world begins to change — from quiet club meetings to national hackathons, late-night debugging sessions to secret rooftop conversations.What starts as teamwork grows into something deeper, more complicated, and far more electric than either expected. Together, they aim for Japan’s most elite tech university — and face rivalries, rumors, and the whisper of love in every line of code.

A world where God will grant abilities called Skills to those who come of age. The protagonist, bestowed with two skills, uses them and rises to an existence called a hero.