The title translates to "A Girlfriend the Boyfriend Doesn't Know," framing the content around the concept of a "secret life" or infidelity. Visual Style: True to the studio's name (

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The title, which roughly translates to "The Side of the Girlfriend the Boyfriend Doesn't Know," sets a clear stage for its psychological and provocative narrative. The story centers on a seemingly perfect high school relationship. However, the protagonist—often depicted as an outsider or "otaku" figure—discovers a hidden side to the female lead. Key narrative elements include:

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