Tsumugu KIHARA

Tsumugu Kihara is a stoic teenager with black hair who lives in a small fishing village. He is a skilled diver and is often seen swimming in the ocean. He is also a member of the Sea Scouts, a group of young people who are dedicated to protecting the ocean. One day, Tsumugu meets a mysterious girl named Manaka Mukaido. Manaka is a mermaid who has come to the surface of the ocean in search of her lost home. Tsumugu is initially wary of Manaka, but he eventually comes to care for her. He helps her to find her way back to the ocean, and they eventually fall in love. Tsumugu's relationship with Manaka is a difficult one. He is torn between his love for her and his duty to protect the ocean. He knows that if he stays with Manaka, he will be putting her in danger. But he also knows that he cannot bear to be apart from her. In the end, Tsumugu chooses to stay with Manaka. He helps her to find a new home in the ocean, and they live happily ever after.