电影《爱之证》以迷之诊所“Love x Doc”为背景，讲述了40岁的甜点师乡田飞鸟的奇幻爱情故事。

飞鸟是一位40岁的点心师，拥有一家自己的甜点店。她对于恋爱、结婚和工作都感到困扰，生活似乎陷入了一种平淡无奇的状态。然而，一天，她被年纪比自己小很多的点心师花田圣矢告白，让她陷入了更加复杂的情感纠葛。

为了解决自己内心的困惑，飞鸟听说了一个神秘的谜之诊所“Love x Doc”。这个诊所声称可以通过基因操纵来实现恋爱的愿望。心怀疑虑的飞鸟来到了这个神秘的地方，期待着能够找到答案。

在“Love x Doc”里，飞鸟遇到了诊所的主人以及其他不同寻常的客人，每个人都有着自己的愿望和困扰。在这里，飞鸟接受了一系列神秘的基因操纵实验，试图寻找属于自己的爱情答案。

随着实验的进行，飞鸟的生活逐渐发生了变化。她重新审视了自己对于爱情和幸福的理解，也重新认识了自己内心真正的渴望。在这个奇幻之旅中，飞鸟经历了情感的起伏和心灵的洗礼，她逐渐找到了属于自己的爱之证。

《爱之证》是一部充满奇幻元素的喜剧电影，通过基因操纵恋爱的设定，探讨了爱情、幸福和自我认知的主题。电影中的故事情节引人入胜，让观众在笑声中思考人生的意义和价值。吉田羊、野村周平、筱原笃和吉田钢太郎等演员们的出色表演更增添了电影的观赏价值。

Movie "Proof of Love" is set in the mythical clinic "Love x Doc" and tells the story of 40-year-old dessert The fantasy love story of Asuka Shigoda.

Asuka is a 40-year-old pastry chef who owns his own dessert shop . She is troubled by love, marriage and work, and her life seems to have fallen into an ordinary state. However, one day, she was confessed by Hanada Seiya, a pastry chef much younger than herself, which made her fall into more complicated emotional entanglements.

In order to solve his inner confusion, Asuka heard a mysterious mystery Clinic "Love x Doc". The clinic claims that romantic desires can be granted through genetic manipulation. The suspicious Asuka came to this mysterious place, looking forward to finding the answer.

In "Love x Doc", Asuka meets the owner of the clinic and other Unusual guests, each with their own wishes and obsessions. Here, Asuka underwent a series of mysterious genetic manipulation experiments in an attempt to find his own answer to love.

As the experiment progressed, the life of the bird gradually changed. She re-examined her understanding of love and happiness, and also re-recognized her true inner desire. During this fantasy journey, Asuka experienced emotional ups and downs and spiritual baptism, and she gradually found her own proof of love.

"Proof of Love" is a comedy movie full of fantasy elements. Set in a genetically manipulated relationship, explores themes of love, happiness, and self-knowledge. The storyline in the movie is fascinating, making the audience think about the meaning and value of life while laughing. The excellent performances of actors such as Yoshida Yang, Nomura Shuhei, Shinohara Atsushi and Yoshida Kotaro add to the viewing value of the film.