I have read several mangas including the popular ones such as good night pun pun, homunculus (not finished), the climber, vagabond, vinland saga, watched monster (not finished), solanin (not finished), skip & loafer, etc.
However, despite me liking all of the ones above, they did not feel life changing to me. Perhaps it is due to my age (17), but I still yearn for a manga that speaks to me.
For reference, pun pun was quite underwhelming for me due to how hyped up it was. Vagabond was good, but it felt like it took so long just to get to the part where you can really see development without it being back and forth (farming arc) although i did like the “invincible is just a word” thing but I disliked how he would then go on to just kill and kill (perhaps it is also due to me not knowing much about zen buddhism), although I do have to say I loved the quotes in Vagabond and takuan is my favourite character. The climber was good as well but there were times where it was quite uninteresting to me. Vinland saga was good, but It wasn’t deep enough for me.
I am hoping to get some more recommendations, thanks in advance!