The story follows a mermaid who makes a forbidden wish to be loved by a human. Following her death, she is reborn 200 years later into modern-day Japan in Lake Biwa, where she learns to adjust in a human world.

真实的眼泪是什么？动画《真实的眼泪》以几对少年少女的恋爱故事来与观众一起寻找答案。
少女石动乃绘因为童年的心灵创伤而不再流泪。以“找寻真实的眼泪”为理由，她与以绘本作家为人生目标的少年仲上真一郎相遇了。因为真一郎仰望天空，乃绘相信，真一郎一定会有真实的眼泪。乃绘开始与真一郎交往。但真一郎心中有一位终日愁容的少女，同样童年有心灵创伤的汤浅比吕美。真一郎与比吕美相互爱慕，却同时为了讨好对方而和他人交往。纠结的爱情故事，真一郎要面对自己内心的选择。

The Soul Translator is a interface which interacts with the user's Fluctlight—the technological equivalent of a human soul—and fundamentally differs from the orthodox method of sending signals to the brain. The private institute Rath aims to perfect their creation by enlisting the aid of Kazuto Kirigaya. He works there as a part-time employee to test the system's capabilities in realm generated by the Soul Translator. As per the confidentiality contract, any memories created by the machine in the virtual world are wiped upon returning to the real world. Kazuto can only vaguely recall a single name, Alice, which provokes a sense of unease.

When Kazuto escorts Asuna Yuuki home one evening, they chance upon a familiar foe. Kazuto is mortally wounded in the ensuing fight and loses consciousness. When he comes to, he discovers that he has made a full-dive into the Underworld with seemingly no way to escape. He sets off on a quest, seeking a way back to the physical world once again.

桐人、尤吉欧、爱丽丝。距离两名修剑士和一名整合骑士打败了最高祭司阿多米尼斯多雷特已过去了半年。
结束了战斗，爱丽丝在故乡卢利特村生活。在她的身旁，是失去了挚友，自己也失去了手臂和心的桐人。
献身般支撑着他的爱丽丝，丝毫没有保留像以前一样作为骑士的心。
“告诉我，桐人……我究竟该怎么办？”
然而，通往将Underworld全境引向悲剧的“最终压力测试”的倒计时，却毫不留情地推进着。
仿佛与之相呼应一般，在“黑暗领域”的深处，暗黑神贝库达复活了。他率领暗黑帝国的军队，为了得到“光之巫女”，开始向“人界”进攻。
指挥“人界”军队的贝尔库利等人，决心与“黑暗领域”的军队展开前所未有的大战。
但在他们身旁，并没有发现爱丽丝，以及拯救了“人界”的两位英雄的身影。
《刀剑神域》系列最长、拥有最华丽战斗的“Alicization”篇，其最终章终于揭幕！