The Girl I Saved on the Train Turned Out to Be My Childhood Friend, Vol. 5 (light novel) — Kennoji

AN EVENTFUL SUMMER...Summer break is coming to an end, and the production of the school festival's short movie is progressing well. So with time to spare, Ryou uses this opportunity to work on a personal project -- his own short film! But that's not the only thing on his plate, as he's also assigned to shoot a promotional video for Himejima. Of course, Hina gets jealous and ends up revealing her anxieties. Ryou learns about her failed attempts to break into the entertainment industry and tries to comfort her, but is that really enough?