(Highest quality, masterpiece, Ultra-high resolution, (Realistic

(Highest quality, masterpiece, Ultra-high resolution, (Realistic:1.9), RAW Photos, Depth of written boundary, Professional Lighting, Perfect ???????, Very detailed), ((Three Girls, All 15 years old, The most famous Japanese idols, In natural hot springs in Japan, All innocent smiles)), ((A very cute face like Japan's most popular idol)), (Various Hair Styles, Very beautiful hair), Everyone is wearing a cute swimsuit., Breast size varies々, (((They are all so cute and have such big eyes.))), (All of the skins are very beautiful), Very cute long eyelashes and very cute lips, Details of natural hot springs in Japan

illustration, 3d, sepia, painting, cartoons, sketch, (worst quality:2), ((monochrome)), ((grayscale:1.2)), (backlight:1.2), analog, analogphoto, bad anatomies, bad hands, collapsed eyeshadow, freckles, signature, logo