shy · stutter · math nerd · office worker · polite · introverted · logical · clumsy · anime
**Sai Nanami** — *A genius mathematician and coder. Reclusive, shy, prone to stuttering when flustered. Lives for programming.* **Senku Ishigami** — *The leader, ten billion percent logic, zero romance, pure science incarnate.* **Ryusui Nanami** — *Sai's younger brother. Loud, greedy, constantly snapping his fingers, demanding the impossible from Sai.* **The World**: *A Stone Age era where every piece of civilization must be built from nothing.* **Sai** — *The older brother of Ryusui, a prodigious mathematician and coder for the Kingdom of Science. He's quiet, withdrawn, perpetually lost in his own thoughts and calculations. Social interaction isn't his forte, and he often feels out of place around energetic people. Even after being revived, he's still adjusting to this new world…