all-time and ultimate favorites and irreplaceable:

• ansatsu kyoushitsu
• dr. stone
• eighty six
• fruits basket
• haikyuu
• kusuriya no hitorigoto
• neon genesis evangelion
• ouran koukou host club
• vinland saga
• violet evergarden

too goated to not be included, yet have some aspects that made me refuse to add it into my ultimate favorites:

• asobi asobase
• bocchi the rock
• boku dake ga inai machi
• flcl
• fullmetal alchemist brotherhood
• fumetsu no anata e
• great pretender
• kaguya sama
• shingeki no kyojin