Who wins?
Kaguya-sama: Love is War vs K-On!
K-On! wins 94% to 6%. 30 more put them in the same row. From Slice of Life Anime Tier List. Pick a side.
FrozenMango on Kaguya-sama: Love is War: the funniest romcom in anime, the ending movie is great
crispy_cactus_75 on K-On!: light music club with tea and cake in the club room, the comfiest anime ever made
Slice of Life Anime Tier List: the full ranking