Satoko, a 30-year-old librarian, struggles with self-confidence and her lack of romantic experience. Her world changes when she instantly falls for the gentle Ryosuke. Overwhelmed by her unexpected feelings, a man claiming to be Stendhal, author of the renowned "Love Theory," suddenly appears to her. Believing this enigmatic figure is an illusion stemming from her anxieties about love, Satoko finds herself guided by his unique wisdom. Stendhal provides invaluable love secrets and advice, gradually transforming Satoko and helping her cultivate a blossoming connection with Ryosuke. As their relationship deepens and Satoko embraces change, she must confront a particular past secret she desperately wishes to keep hidden, adding a compelling layer of emotional suspense to her journey of self-discovery and newfound love.
Other names: 恋に落ちたおひとりさま～スタンダールの恋愛論～, One Person Who Fell in Love: Stendhal's Love Theory