fujiwara_chika and shinomiya_kaguya from kaguya-sama_wa_kokurasetai_tensai-tachi_no_renai_zunousen, two female characters, lying on a soft pink satin bed with red curtains in the background, fujiwara_chika on left with pink hair and black bow, wearing a red ball gag, black latex bodysuit, red handcuffs, and black stockings, bound with ropes around her torso and legs, smiling mischievously while holding a red smartphone, shinomiya_kaguya on right with black hair in a ponytail and red ribbon, wearing a black latex bodysuit and black stockings, tightly bound with thick brown ropes covering her body, legs, and arms, leaning over chika whispering in her ear, both flushed and blushing, intimate and erotic pose, soft lighting, detailed anime art style, fanart, explicit, nsfw