Common subjects and motifs of his art include erotic asphyxiation, facesitting, voluptuous women, and men being used as human furniture.
[3] His art has earned praise from Oniroku Dan, Shūji Terayama, and Madonna,[5][6] and favorable comparisons to works by Robert Crumb.
[7][8] His artwork typically features women with large breasts, hips, legs, and buttocks dominating and humiliating smaller men, typically through facesitting or other forms of sexualized smothering.
[8] Kyonyū Katsuai, a two-volume book of Harukawa's works, has been published in Japan.
[15] His death was confirmed in a blog post by Yuko Kitagawa, the owner of a video production company with longstanding ties to Harukawa.