Rule34.pub - 90shugen, honkai: star rail, boothill (honkai: star rail), sunday (honkai: star rail), 2boys, anal, anal sex, blush, blush lines, clothed, clothed sex, clothing, cock, cyborg, dick, gay, grabbing pillow, halo, head wings, holding object, holding pillow, hugging pillow, legs apart, looking away, male, male only, male penetrated, male penetrating male, male/male, mechanical, metal penis, metallic body, pants open, penis, precum, precum drip, robot penis, wing piercing, wings on head, yaoi, black and white, hi res, high resolution, highres