If you find yourself doing nothing and bored, post a request for a mission here.
Missions for the Vice-Captain, 3rd, 4th, and 5th Seated Officers are granted by the Captain.
Missions for 6th Seated Officers to 20th, and Normal Shinigamis are granted by the Vice-Captain
Note: You will earn money when completing a mission, and the harder the mission, the greater the reward will be.