Thread:Visfvifsgjjsvjgsjmdsgs/@comment-39066073-20190507024503/@comment-27002267-20190507105355

Title of Unknown Novel.jpeg is [https://www.crunchyroll.com/de/anime-news/2018/04/20/ayano-takedas-sound-euphonium-novel-series-has-14-million-copies-in-print Sound! Euphonium: True Story of Kitauji High School's Wind Ensemble Club]

The second one was never given an official title (I think), but the translation you mentioned sounds right to me.