252k, insertion, boy pov, (1boy, 1girl, having sex, boy on top, missionary position:1.5), inside very detailed library, window, books, (1 cute serafuku girl), 15yo, (in tears, tears, crying happily, hearts, sweaty face, sweat, naughty face, very slim figure, petite body1.8), (白い可愛いセーラー服:1.5), cute bra, (cute skirt:1.5), underboobs, breasts holding, (creampie overflowing:1.5), (panty pull:1.2), very shy and embarrassed, (32K, high resolution, extremely detailed, absurdres, masterpiece, best quality), studio lighting, colourful cute girlish accessories, multiple color hair, golden and pink colourful hair, detailed face, beautiful eyes, panting strongly, (best shadow), shiny eyes, beautiful face, (flat colour:1.5), plants