"Mako-chan Kaihatsu Nikki" is a visual novel developed by Minori Chihara's (of AKS) doujinshi circle, and I'm assuming you are looking for a text related to it.
Mako-chan is written as an archetypal "blank slate"—introverted, passive, and lacking clear personal ambition. From a game design perspective, this is a pragmatic choice. A blank slate requires less writing for divergent personalities and allows the player to feel that they are the sole author of the character's development. Mako-chan Kaihatsu Nikki
Mako-chan woke up to the soft chime of her alarm and the familiar hum of the apartment building: a distant kettle, a neighbor’s bicycle bell, the elevator’s breath between floors. She stretched, slid on her slippers, and crossed to the window. Tokyo morning painted the skyline in thin gold; cranes tracked like slow insects against the pale sky. Today was sprint day—another small deadline in the long, bright scroll of her life as a junior firmware engineer at Mirai Robotics. "Mako-chan Kaihatsu Nikki" is a visual novel developed
Introduction
Plot and Premise