In a world where likes function as currency and every viewer is a judge, a young woman known as OMGkawaiiAngel is determined to become the number one Internet Angel. Behind this pastel-colored online persona, however, is Ame-chan, a deeply troubled girl with an extreme need for approval who lives a reclusive life. The story follows her daily struggle to build a streaming career while battling her own psychological instability.

The narrative centers on the relationship between Ame-chan and the protagonist, referred to as P-chan, who acts as her producer and confidant. As her only close connection, P-chan is responsible for guiding her decisions, managing her schedule, and monitoring her stress levels, mental state, and growing follower count. The duo lives together in a modest apartment, with Ame-chan having dropped out of school to pursue online fame as a means of paying rent and fulfilling her desperate need for recognition.

Throughout the series, viewers witness the chaotic ups and downs of internet stardom. OMGkawaiiAngel must navigate toxic comment sections, perform for demanding audiences, and maintain a sweet and innocent facade that sharply contrasts with her real personality. Behind the scenes, Ame-chan struggles with dependency on medication, self-destructive tendencies, and a growing disconnect between her public image and private self. The narrative explores multiple possible outcomes, as the story branches based on the choices made in managing her career and wellbeing, questioning whether a genuinely happy ending is even possible for someone so deeply entangled with the darker sides of online culture.

Major narrative arcs include Ame-chan's rise from obscurity to viral fame, her confrontations with internet trolls and obsessive fans, and the gradual deterioration of her mental health under the pressure of constant performance. The series also delves into the nature of the relationship with P-chan, blurring the lines between genuine affection, codependency, and professional necessity. An adaptation of the acclaimed visual novel originally released in 2022, the anime is produced by Yostar Pictures and presents a critical look at modern streaming culture, parasocial relationships, and the psychological toll of seeking validation through social media.