The Boy and the Sea is a Manga/Manhwa/Manhua in (English/Raw) language, Drama series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Kang Haru, also known as Kay-D from the popular idol group ‘Miracle Knights’, is running away from his life of fame… but what will he find on this charming little island?