Gintama

A former samurai named Sakata "Gintoki" struggles to find work after aliens invade Japan, take over jobs, and ban swords. To survive, he accepts any job available, regardless of how undignified it may be. The series includes several one-shot bonus chapters in various volumes, such as "Dandelion," "Shirokuro," "13," "Bankara-san Ga Tooru," and a special lesson.