filthy cinephile here, this'll be a great read especially if you're very invested in films(great read even if not)! although the main plot is about getting acquainted with more mature themes in cinema, the nature of the manga itself is much tamer. as the plot continues the characters do develop a bit further than just "i love cinema!" and though it isn't a masterpiece by any means there's a decent storyline with not too many frustrating conflicts (at least compared to many other manga titles!) and the film recommendations at the end of each chapter are great! there's a handful of manga dealing with cinemaand film buff characters, and the author of r15+ has certified cinephile taste in movies (imo)

p.s. the author's twitter and r15+'s official twitter accounts have been taken down it seems, but i'm pretty sure this manga has been completed for a couple months now at 10 volumes/84 chapters despite most info sites saying it's still ongoing xx