I Left My A-rank Party To Help My Former Studen... -

It sounds like you're referring to the manga / light novel series I Left My A-Rank Party to Help My Former Students Reach the Dungeon Depths! (sometimes shortened to I Left My A-Rank Party... ).

And me? I finally remembered why I became an adventurer in the first place — not to rank up, but to lift others up.” Would you prefer a scene summary, character analysis, or a different style of excerpt (e.g., dialogue only, journal entry)? I Left My A-Rank Party to Help My Former Studen...

My old party wanted firepower. My students want a future. It sounds like you're referring to the manga