masterpiece,ray tracing,Clear picture,best quality,1man,solo,realitist,yaoi,bara, the whole body,Detailed background, the whole body,straight-on,mature man,facial hair, short hair, muscle men, muscles, naked upper body, large pectoral muscles and eight -piece abdominal muscles,Thick thighs, feet,the lower body wearing jeans, slippers, underwear bulges,The background is in a garden, holding a book, looking at the trees, the leaves are lush, the sun passes through, the real light and shadow, the volume lighting, reflection light,depthoffield,Fantasy, bright color, summer, smooth color, smooth skin