本片由持续拍摄青森、群马、新潟、长野等地风光的鹤冈导演，邀学生时代挚友演员柳谷一成担任主演，在柳谷故乡长崎县西海市取景拍摄。片名“西海乐园”取自2007年闭园的同名佛教主题公园。

Four inseparable teenagers in a small town in Brittany (France). As lifelong fans of the West Coast, they think are real gangstas. Together as a "gang", they are invincible, respected, fearless and nothing can reach them, certainly not the teasing and contempt of their fellow classmates. So when Fle-O, the leader of this merry gang, learns that he has to leave his town and his friends at the end of the year, his whole world falls apart leaving him vulnerable when the most popular kid in school decides to make fun of them in front of everyone. Humiliated, our protagonists decide to take their revenge through one last expedition together that will lead them further than they would have imagined. Through incongruous situations and successive meetings, they will grow and learn.

著名作家宫部美雪的畅销小说《模仿犯》曾被先后改编成电影与电视剧，在《模仿犯》中的故事发生了9年后，宫部美雪又在此时间线上创作了《乐园》。2016年，WOWOW把《乐园》电视剧化，并由仲间由纪惠担任主演。

根据吉田修一小说《犯罪小说集》中“乐园”篇将被搬上大银幕，绫野刚、杉咲花、佐藤浩市将参演影片，濑濑敬久([罪人的谎言])执导。故事讲述一起幼女被拐案件从未破获，而12年后，同一个地方又发生两起同样的案件，而疑点落到三个人身上。该片将于2019年日本上映。

《乐园》讲述了结束了十年戒毒所生活的女子，来到了被称为“女性的乐园”的小岛上，打破了岛上原有的平静生活，自己也找到了真正的自由。池珍熙在剧中饰演在岛上的小学教书的老师日浩，当陌生女子美静(金荷娜饰)来到岛上之后，就给予她很多帮助并彼此相爱。

When a mob family takes over an amusement park after the owner dies under mysterious circumstances, the recently-fired clown mascot seeks vengeance for the loss of his job.

偏僻的校园里生活着一群天真无忧的女孩子。她们在这个封闭的乐园中生长，见证自己一起长大的朋友们轮流穿着漂亮的婚纱离开，同时等待属于自己的幸福到来。两位各持秘密的女生发现墙外的真相，计划逃离既定的命运。

高中生士豪和美靜都是跨性別者，他们在接连遭遇了一系列痛苦之后，决定相约一起结束生命。当约定的那一天到来，两人能否顺利一同离去呢？

在一个下雨天，一位女士上了公交车。她和一位男士共度了一天，然后各自离去。