March - It's one in ten thousand S01E03

1

January - Don't Get Cocky

2

February - There's Nothing I Want to Say

3

March - It's one in ten thousand

4

April - What is strength?

5

May - Kindness is strength

6

June - This citadel is joyous, isn't it?

7

July - Caring for Someone

8

August - The Formation of the Ghost Extermination Rangers!

9

September - That's the Kind of Past I Have

10

October - The Really Important Memories

11

November - A Stern Blow to Okita's Inheritance

12

December - Our Citadel is the Hanamaru Today Too