You play as Mako-chan, a cheerful high school student who dreams of becoming a professional game developer. After being rejected from a major tech club, she decides to create her own visual novel from scratch. The game is presented as her actual nikki —each save point is a "day," and the menu options are sticky notes on a corkboard.
Works like Mako-chan Kaihatsu Nikki represent a significant segment of the digital manga market in Japan, where niche genres can find dedicated audiences through online distribution. The success of such titles often stems from high-quality artwork and the exploration of complex, albeit controversial, interpersonal dynamics that are common in adult-oriented storytelling.