《穷途鼠的奶酪梦》是一部情感电影，讲述了主人公大伴恭一的爱情纠葛和成长故事。从学生时代起，他一直只与“喜爱自己的女性”交往，但却在恋爱中反复重复着被动和优柔寡断的状态，同时也因此不断地出轨

大学后辈今之濑涉作为一名出轨调查员，接受了主人公的妻子委托，来调查大伴恭一的出轨行为。然而，在这个过程中，今之濑涉和大伴恭一再次相遇，并向他表白：“从很早以前就一直喜欢你了。”作为代价，今之濑涉要求大伴恭一用身体来交换，同时也要求他不再出轨并对他进行监督。

在今之濑涉的死缠烂打和追求下，大伴恭一逐渐被吸引并陷入了恋爱之痛。他开始反思自己的行为和性格，并在情感的纠葛中成长。

这部电影通过主人公大伴恭一的经历，探讨了爱情、责任和成长。他的出轨行为让他陷入了一连串的纷争和困惑，同时也让他意识到自己的不成熟和优柔寡断。通过和今之濑涉的交往，他逐渐明白了爱情的珍贵和复杂。

"The Cheese Dream of the Poor Mouse" is an emotional movie that tells the love entanglement and growth story of the protagonist Kyoichi Otomo. Since he was a student, he has only been in contact with "women who love him", but he has repeatedly been passive and indecisive in love, and at the same time has continued to cheat

As an infidelity investigator, the younger generation of the university, Imanose Sato, accepted the entrustment of the protagonist’s wife to investigate Otomo Kyoichi’s infidelity . However, during this process, Imanose and Otomo Kyoichi met again, and confessed to him: "I have liked you for a long time." As a price, Imanose asked Otomo Kyoichi to exchange his body, and at the same time He is also required to stop derailing and supervise him.

Under Imanose Wataru's stalking and pursuit, Otomo Kyouichi was gradually attracted and fell into the pain of love. He began to reflect on his behavior and character, and grew up amid emotional entanglements.

This movie explores love, responsibility and growth through the experience of the protagonist Kyoichi Otomo. His infidelity plunged him into a string of strife and confusion, while also making him aware of his immaturity and indecision. Through interacting with Imano Seto, he gradually understands the preciousness and complexity of love.