Virgin.concerto.2019.1080p.av1.hdrip.esub-katmo...

: This seems to be the name of the group or individual who ripped and possibly distributed the video. Groups or individuals often tag their rips with their handle or group name.

You need a relatively modern CPU or a GPU (like NVIDIA RTX 30-series or newer) for smooth hardware-accelerated playback. ⚠️ Content Advisory Virgin.Concerto.2019.1080p.AV1.HDRip.ESub-Katmo...

: Now older, the four friends reunite over summer vacation and make a pact to lose their virginity together. : This seems to be the name of

: The name of the release group or individual who encoded/distributed this specific version. Virgin.Concerto.2019.1080p.AV1.HDRip.ESub-Katmo...

: Haruhi Oguri , known for her work in the "pink film" genre.

Virgin Concerto (2019) is a Japanese film directed and written by Haruhi Oguri