1boy, bed_sheet, black_jacket, blue_hair, blush, closed_mouth, collarbone, colored_eyelashes, from_above, groin, holding_another's_wrist, jacket, kounagi39, long_hair, looking_to_the_side, lying, male_focus, navel, on_back, open_clothes, open_jacket, pov, rimuru_tempest, solo_focus, straight_hair, tensei_shitara_slime_datta_ken, upper_body, very_long_hair, yellow_eyes