Words Bubble Up Like Soda Pop is a Japanese animated slice-of-life romantic comedy-drama film produced by Sublimation and Signal.MD and directed by Kyōhei Ishiguro. It premiered at the 2020 Shanghai International Film Festival. It was released to Japanese theaters on July 22, 2021, and on Netflix the same day internationally. Set in a rural part of Japan with a large shopping mall, the film follows two people who have trouble communicating with others. Yui "Cherry" Sakura is a shy boy who can only express himself well through his writing of haiku. Yuki, aka "Smile", covers her mouth with a mask to hide her braces that try to fix her buckteeth and is an online influencer. A fateful meeting at the mall starts a romance between them.