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While there are multiple works with similar titles (often categorized under BL or adult genres), the most prominent context for this title involves:

In many serialized versions of this title, Chapter 13 often represents a turning point in the relationship between the main characters, moving from initial pursuit to more established emotional or physical intimacy. Where to Read Officially: While there are multiple works with similar titles

Sites like Comic DAYS or LINE Manga often host serialized chapters, sometimes offering the first few for free or via a "wait for free" system. While there are multiple works with similar titles