"Love, Chunibyo, & Other Delusions: Rikka Takanashi Version" is a light novel adaptation that explores the life of Rikka Takanashi, a high school girl who suffers from "chunibyo," a condition where individuals, typically adolescents, adopt delusional personas to escape reality. Rikka believes herself to be the "Wielder of the Wicked Eye," a powerful being with supernatural abilities, and carries an eye patch as part of her persona. Her delusions stem from a desire to cope with the emotional trauma of her father's death, which she struggles to process.

The story begins when Rikka meets Yuuta Togashi, a former chunibyo sufferer who has since outgrown his delusions and is now embarrassed by his past. Yuuta, who once called himself the "Dark Flame Master," is drawn to Rikka's eccentric behavior and becomes determined to help her overcome her delusions. Despite his efforts, Rikka's imaginative worldview persists, and the two form a close bond as they navigate their shared experiences and emotional struggles. Their relationship evolves into a romantic connection, with Yuuta gradually accepting Rikka's quirks while encouraging her to confront her unresolved grief.

Throughout the series, Rikka's delusions are challenged by her interactions with others, including her older sister, Touka, who disapproves of her behavior and seeks to "cure" her. Touka's efforts to force Rikka into therapy create tension, but Rikka's bond with Yuuta helps her find a balance between her fantasies and reality. The narrative also introduces a group of friends, including Shinka Nibutani, a former chunibyo who hides her past, and Kumin Tsuyuri, a laid-back classmate who humorously indulges in Rikka's antics. Together, they form a quirky yet supportive circle that helps Rikka navigate her emotional journey.

The series blends comedy, romance, and drama, using Rikka's delusions as a metaphor for the struggles of adolescence and the difficulty of facing painful truths. Her growth is central to the story, as she learns to reconcile her imaginative world with the realities of life, love, and loss. The narrative emphasizes themes of self-acceptance, healing, and the importance of human connections, making it a heartfelt exploration of the challenges of growing up.