1boy, 1other, bathtub, black_hair, black_nails, black_sclera, blue_hair, blush, closed_mouth, collarbone, colored_sclera, diablo_(tensei_shitara_slime_datta_ken), hand_on_another's_head, indoors, nail_polish, nude, nukogami_(minniecatlove21), open_mouth, partially_submerged, rimuru_tempest, short_hair, tensei_shitara_slime_datta_ken, wet, wet_hair, yellow_eyes