Everything changes when Ryuuki's friends introduce him to the world of adult entertainment, specifically a new actress named . In a twist of manga fate, Ryuuki is smitten by her just as the real-world Kirill happens to pass through his local area.
Ryuuki is the classic "focused" protagonist—he has no interest in girls and dedicates everything to his craft. However, Chapter 1 quickly shatters this status quo. The Catalyst: An Unexpected Encounter
The protagonist, a football prodigy whose journey from boyhood to "manhood" serves as the central arc of the series.
The boy who only cared about football suddenly realized that the summer was about to change everything he thought he knew about his family and himself.
: Ryuuki was raised by his beloved older sister, Reiko. Reiko is a chemical genius who eventually has to move to Tokyo to pursue her high-level professional career, leaving Ryuuki to navigate his adolescence mostly on his own.
