High resolution、high quality、Boy and man lower body、Completely naked

High resolution、high quality、Boy and man lower body、Completely naked、Oral sex、Gay、Licking the testicles、Completely naked、blush、orgasm

multiple angle, blurry, long body, lowres, bad anatomy, bad hands, missing fingers, pubic hair, extra digit, fewer digits, cropped, worst quality, low quality, text, error, fewer digits,cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry, missing fingers, bad hands, missing arms, large breasts, head_out_of_frame, 2koma, panel layout, ((monochrome))