"Kouta is one of the main characters in the Japanese manga ""The Spring of the Sea."" He is a young boy who lives in a small fishing village with his parents and little sister, Mei.

Kouta is a curious and adventurous child who loves spending time outdoors. He is always eager to explore new places, and is constantly seeking out new adventures. Kouta also has a great love for the sea, and spends much of his time fishing and swimming in its waters.

Despite his young age, Kouta is a responsible and dependable person. He takes care of his little sister Mei, and is always looking out for her safety. Kouta is also a loyal friend, and will go out of his way to help those in need.

Kouta's adventurous spirit often gets him into trouble, but he is a quick thinker and always manages to find a way out of his predicaments. He is also a skilled fisherman, and often helps his father with the family's fishing business.

Kouta's love for the sea is more than just a hobby - it is a deep passion. He has a great respect for the ocean and all the creatures that live within it. Kouta dreams of one day becoming a marine biologist, and devotes much of his time to studying the sea and its diverse ecosystem.

Overall, Kouta is a lovable and charming character who is sure to capture the hearts of readers. His adventurous nature, loyalty, and passion for the sea make him a memorable and engaging protagonist in ""The Spring of the Sea."""