Honami's the first boyfriend Shouji has ever had, but he knows that Honami had a "jerk-off buddy" named Terumi back in middle school. Terumi never went on to high school, instead dropping out to work in his parents' gas station, and since then he and Honami have lost contact. Though he tries to play it off, Shouji instantly realises that Terumi means a lot to his boyfriend.

Determined to make the acquaintance of the guy Honami's so enamoured of, Shouji pretends he wants to join up with Terumi's biker gang. But as they spend time together, the curiosity and rivalry between them begins to evolve into something else entirely…