《再见，嘴唇》是一部地下音乐界备受瞩目的电影，讲述了女生乐团两人组合“ハルレオ（Harureo）”的故事。乐团的成员包括Haru（由門脇麦饰演）和Reo（由小松菜奈饰演）。由于各自的个人发展，两人决定解散乐团。然而，为了完成全国巡演的心愿，她们邀请了外援志摩（由成田凌饰演）加入

在巡演的过程中，令人意想不到的感情纠葛开始产生。Reo逐渐发现自己喜欢上了志摩，而志摩却对Haru产生了特殊的情感。与此同时，Haru也发现自己对Reo不仅仅是友情，而是更深层次的感情。

三人之间的感情错综复杂，使得整个巡演过程变得异常复杂。志摩作为新成员，内心充满对乐团的热爱和对Haru的情感，他不知道应该如何处理这两种截然不同的感情。

"Goodbye, Lips" is a high-profile film in the underground music scene, which tells the story of the girl group duo "Harureo (Harureo)" story. The members of the band include Haru (played by Kadowaki Mai) and Reo (played by Nana Komatsu). Due to their respective personal developments, the two decided to disband the band. However, in order to fulfill their wish for a national tour, they invited foreign aid Zhimo (played by Narita Ling) to join

During the tour, unexpected emotional entanglements began to arise. Reo gradually found that he fell in love with Zhimo, but Zhimo had a special feeling for Haru. At the same time, Haru also found that he has more than just friendship for Reo, but a deeper affection.

The relationship between the three is complicated, which makes the whole tour process extremely complicated. As a new member, Shima is full of love for the band and affection for Haru. He doesn't know how to deal with these two completely different feelings.