LF Mono Source: 1girl, all fours, sleeveless, gym uniform/shorts/shirt, buruma, from behind/below, facing away, ass focus, cameltoe, sweat, head out of frame, kneehighs/kneesocks (?), empty speech bubble
LF Color Source: 1girl, bangs, black bra, black skirt, blush, brown hair, cleavage, hazel eyes, irl picture, looking at viewer, math, open shirt, red bowtie, school uniform, smartphone/phoine, spread legs, undone bowtie, wavy mouth, yellow eyes