Rule 34 Dev - 1girl blue_eyes blue_hair blue_one-piece_swimsuit hololive hololive_indonesia kobo_kanaeru kubota_masaki one-piece_swimsuit one_eye_closed rimuru_tempest school_swimsuit slime_(creature) solo star-shaped_eyewear star_(symbol) sunglasses swimsuit tensei_shitara_slime_datta_ken virtual_youtuber wink|16181425962