A high school girl, Sayaka Kudō was the bottom of the class. After a year, she improved her deviation value from 30 to 70, then passed Keio University that is considered one of the most difficult to enter in Japan.
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SubDL has 4 フランス語 subtitles for Flying Colors (Birigyaru / 映画 ビリギャル), contributed by 4 different members of the community. Each one is a separate file timed to a particular video release, so pick the entry whose release name is closest to your copy.
Match the release name to your video file. The フランス語 files here cover releases such as Flying.Colors.2015.JAPANESE.1080p.BluRay.x264.DTS-WiKi, Biri.Gal.2015.BluRay.480p.x264.390MB-HiyeE, Flying Colors (2015) 720p [Rasbora Fansub]. If none matches exactly, choose the one with the same source (WEB-DL, BluRay, HDTV) and resolution — those usually share the same timing.
Download the .srt and put it next to the video file with the same name, and most players load it automatically. In VLC use Subtitle - Add Subtitle File, in Plex and Jellyfin upload it from the item's subtitle menu, and in Stremio pick it from the subtitle button during playback.
A constant offset means the subtitle was timed to a different release: shift it with G and H in VLC, or J and K in MPV, until the first line matches. If the drift grows through the film, the frame rate differs and a file from the same release group is the better fix.
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