"I Fell in Love, So I'm Streaming It" centers on the life of Aoi, a shy and introverted college student who struggles with social interactions. To cope with her loneliness, she immerses herself in the world of live streaming, where she anonymously broadcasts her daily life under the alias "Ao." Her streams gain popularity due to her genuine and relatable personality, attracting a loyal audience. However, her anonymity is threatened when a fellow student, Haruto, discovers her secret. Haruto, a popular and outgoing individual, becomes intrigued by Aoi's dual life and begins to interact with her both online and offline.

As the story progresses, Aoi and Haruto develop a complex relationship. Haruto, who initially approaches Aoi out of curiosity, gradually becomes more invested in her well-being, encouraging her to step out of her comfort zone. Aoi, in turn, begins to open up to Haruto, finding solace in their growing bond. The narrative explores themes of identity, vulnerability, and the impact of online personas on real-life relationships. Aoi's journey is marked by her struggle to reconcile her online presence with her offline self, as well as her efforts to overcome her social anxiety.

The manga also delves into the dynamics of online communities, highlighting the support and challenges that come with virtual interactions. Aoi's viewers play a significant role in her life, offering encouragement and companionship, but also presenting dilemmas when her anonymity is at risk. The story balances moments of humor, romance, and introspection, creating a multifaceted portrayal of modern relationships in the digital age. Through Aoi and Haruto's evolving connection, the series examines how technology can both bridge and complicate human connections.