Zutto Mae Kara Suki Deshita

Zutto Mae Kara Suki Deshita: Kokuhaku Jikkō Iinkai (ずっと前から好きでした。～告白実行委員会～), also known by its English title I've Always Liked You, is a 2016 anime romance film directed by Tetsuya Yanagisawa, written by Yoshimi Narita and produced by Qualia Animation. The film is based on the Kokuhaku Jikkō Iinkai ~Ren'ai Series~ Vocaloid song project by HoneyWorks. It revolves around a group of high school friends, who struggle to confess their love.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.