Spastic Minnow's Manga

take a look at Spastic Minnow's Anime
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Yotsuba&! (manga) Masterpiece
absolutely masterful comic story-telling. Simple stories, deceptively intricate art, Windsor McKay, Charles Schultz, Walt Kelly, Carl Banks, Bill Waterson, meet Kiyohiko Azuma, master of cute hilarity and childhood wonder.
Hayate the Combat Butler (manga)
Mix (manga)
32 chapters in, this looks like another Adaichi clsassic.
Princess Jellyfish (manga)
School Rumble (manga)
What I've read of the early chapters is quite good, although adapted so well in the anime as to be unnecessary. I've also read the final chapters, everything not covered in the anime. To tell the truth- it's resolved badly, or rather, it's barely resolved at all with only relationship confirmed but in a very sad and arbitrary way.
Soredemo Machi wa Mawatteiru (manga)