https://www.mangago.zone/read-manga/uta_no_uta/
https://www.mangago.zone/read-manga/yuri_ni_hasamaru_otoko_wa_shineba_ii/
https://www.mangago.zone/read-manga/hello_melancholic/
https://www.mangago.zone/read-manga/liberty/
https://www.mangago.zone/read-manga/moon_world_and_stars/
https://www.mangago.zone/read-manga/rock_it_girl/
https://www.mangago.zone/read-manga/shells_and_alternarock/
https://www.mangago.zone/read-manga/the_perfect_idol_s_handbook_of_falling_in_love/
https://www.mangago.zone/read-manga/the_glass/
https://www.mangago.zone/read-manga/the_moon_on_a_rainy_night/
https://www.mangago.zone/read-manga/oshi_ga_budoukan_ittekuretara_shinu/
https://www.mangago.zone/read-manga/misterioso_1/
https://www.mangago.zone/read-manga/women_at_work_a_pinch_of_love/
https://www.mangago.zone/read-manga/oshi_ga_tonari_de_jugyou_ni_shuuchuu_dekinai/
https://www.mangago.zone/read-manga/spring_a_minuet/ (one-shot)
https://www.mangago.zone/read-manga/talk_dirty_to_me/ (BDSM)
https://www.mangago.zone/read-manga/whispering_you_a_love_song/ (later arc features a side character who is in love with her sister)
https://www.mangago.zone/read-manga/serenade_keum_kyesoo/ (age gap, teacher-student relationship, toxic relationship between FL and a yandere side character)
There's also Symphogear and Revue Starlight, but those are animes, not mangas.
Yuri that's musical?