Kuragehime
海月姫 (original)
Starring Takehito Koyasu, Mamiko Noto, Motoko Kumai, Akemi Okamura, Kana Hanazawa, Mitsuki Saiga, Kimiko Saito, Junichi Suwabe, Mugihito, Shigeru Chiba
It's a comedy and animation show, and has a rating of 7.7 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Spain.