Xbooru - 1boy 1girl 2023 2 girls blue background blue diamond (steven universe) blue skin blue theme breasts cartoon network chickpea completely nude crystal gem diamond authority fellatio gem (species) gradient background human human on gem lapis lazuli (steven universe) male male/female nipples nude nude female nude male oral pleasure face short hair side view side view fellatio simple background solo focus steven universe uncensored unseen male face veiny penis