2girls, d, ahoge, bed_sheet, blue_hair, blue_pajamas, blunt_bangs, blush, boxers, brown_eyes, closed_eyes, clothes_lift, collarbone, flat_chest, groin, hand_on_another's_head, hozuki_momiji, hug, kebakebasan, long_hair, long_sleeves, looking_at_viewer, lying, male_underwear, multicolored_hair, multiple_girls, navel, no_pants, on_back, on_side, onii-chan_wa_oshimai!, open_mouth, oversized_clothes, oversized_shirt, oyama_mahiro, pajamas, shirt, shirt_lift, short_hair, short_ponytail, short_sleeves, sleeping, smile, stomach, striped_male_underwear, two-tone_hair, underwear, yuri