Tanjirou is nurturing,giving&endlessly kind in a way that's almost...motherly?But it also balances his boyish nature?He's a bimbo kind of; strong,kind&simple-minded.I thought he would be another generic shounen MC but I can't drop the impression that he loves in a way that's really mothering;providing protection,comfort,support,safety,love.Even though he has that "pursuit of overwhelming power" trope that typical MCs do,he never actually gets OP
Even though his father beats him into toxic masculinity, he still retains his nurturing, selfless kindness. My one peeve with him found here: https://www.mangago.me/home/mangalist/1726335/
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He's here on this list cuz he just has a very distinctive personality from the typical shounen MC. He's unsociable, quiet or says what he needs to say and nothing more, but caring and sensitive.
Again, a distinctive personality and doesn't have that trope of "endless pursuit of overwhelming power" the way other shounen mcs do in their plots.
Kimetsu no Yaiba