(In the living room)、1girl, (Younger sister kicking)、from the front、Angle from below、(Young face)、(おでこ)、編み込み、((seductive grin)), ((high kicking)), panties, 手にお金を握っています、Camisole、Jersey shorts、(1boy), (((penis))), (((eject cum))), The boy collapses under his younger sister and ejaculates from his penis、(The boy had a fight with the younger sister and lost to her.)、younger sister「Weak... Aniki who lost to younger sister and got a hard dick lol... Pervert masochist lol」

verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))