rule 34 ai generated arms behind back ass visible through thighs bakemonogatari bangs blue eyes blush breasts breasts apart cleft of venus closed mouth collarbone completely nude boy shot female indoors long hair looking at viewer medium breasts monogatari series muaver ai navel nipples nude purple hair pussy senjougahara hitagi sidelocks solo stable diffusion standing stomach thigh gap thighs uncensored window 8338962