Most sports stories fall into the "passionate MC" category, so manga like Haikyuu, Slam Dunk, Diamond no Ace and others could be exactly what you're looking for, but if you don't want a mainstream sport/interest, you might like these:
https://www.mangago.zone/read-manga/chihayafuru/ (karuta)
https://www.mangago.zone/read-manga/ballroom_e_youkoso/ (ballroom dance)
https://www.mangago.zone/read-manga/medalist/ (ice skating)
https://www.mangago.zone/read-manga/kokou_no_hito/ (climbing)
https://www.mangago.zone/read-manga/dancing_in_the_evening_lull_with_my_ribbon/ (rhythmic gymnastics)
https://www.mangago.zone/read-manga/umi_ga_hashiru_end_roll/ (film making)
https://www.mangago.zone/read-manga/hikaru_no_go/ (go)
https://www.mangago.zone/read-manga/beck/ (band/rock music)
https://www.mangago.zone/read-manga/blue_giant/(saxophone/jazz music)
https://www.mangago.zone/read-manga/mashiro_no_oto/ (shamisen/music)
https://www.mangago.zone/read-manga/akane_banashi/ (rakugo/theater)
https://www.mangago.zone/read-manga/kageki_shoujo/ (kageki/theater)
https://www.mangago.zone/read-manga/glass_mask/ (acting)
https://www.mangago.zone/read-manga/skip_beat/ (acting)
Oh, I messed up the link for Blue Giant. Here it is:
https://www.mangago.zone/read-manga/blue_giant/
Thank you so much!! I like sports stories too.
Guys please recommend me stories where mc is passionate about something. Like blue period, kono oto tomare, blue orchestra.