Tsukasa, Tajima, Katsu were all members of the Hentai ShonenDai (Perverted Boy's club) at the tender age of 11. Tsukasa is a first-class runner and dreams of going of going to the Olympics. But as they grow older, how will each of their lives change? Will they grow apart, or stay true to the passions they shared as kids. D-ASH is a story of boys growing up and chasing their dreams.