Characters and context of the popular pachinko series "Umi Monogatari (Sea Story)" is to be adapted to anime as Umi Monogatari -Anata ga ite kureta koto-(Sea Story: the fact that you were here) this ...

Two mermaid sisters, Marin and Urin, discover a ring that has fallen in the ocean and attempt to return it to the owner. However, when they find Kanon she refuses to accept the ring and throws it into ...

Marin and Urin are sea folk, people who live in a peaceful underwater world surrounded by bright fish and colorful coral. But one day, a beautiful ring falls from the "sky" - that dangerous place ...