These things are usually 30 days, but since Negima is known for having 31 girls…
Mostly catered to the manga canon. If you haven’t read the manga… you should feel bad and go fix that.
Day 1: How did you get into Negima?
Day 2: Favorite character(s).
Day 3: Least favorite character(s).
Day 4: Favorite pairing(s).
Day 5: Least favorite pairing(s).
Day 6: Favorite friendship(s).
Day 7: Post your favorite manga cover.
Day 8: Favorite arc and/or sub-arc.
Day 9: Least favorite arc and/or sub-arc.
Day 10: Favorite chapter(s).
Day 11: Something you wish had happened.
Day 12: Post your favorite song.
Day 13: The best pactio scene.
Day 14: The best pactio card.
Day 15: Your favorite artifact/other weapon/magic item/whatever.
Day 16: Your favorite outfit.
Day 17: Post your favorite official art.
Day 18: Favorite scene or episode from one of the anime series.
Day 19: What did you think of Xebec’s adaption and original ending, SHAFT’s retelling, the OVA adaptions, and the movie?
Day 20: Your favorite battle.
Day 21: A scene that made you happy.
Day 22: A scene that made you sad.
Day 23: A scene that made you angry.
Day 24: Who has the best character design?
Day 25: Something that happened that you wish didn’t.
Day 26: Favorite minor character(s).
Day 27: The funniest moment.
Day 28: Your favorite line/quote.
Day 29: Your favorite spell/affinity/activation key.
Day 30: How do you feel about the ending?
Day 31: Why do you love Negima?