Gintama

From Viz:
Sleazy alien moneylenders, monsters on the rampage, and a ticking time bomb may all be in a day's work for Gin, but a drop in his blood sugar level means trouble for everyone!

Vol 2 contains Shirokuro:
There is a young professional "curser" who, through mystical methods and a baseball bat, brings punishment to what the law doesn't punish, and brings calm to hateful hearts. She meets a demon that tells her to give up her "work," to keep the harmony between the human and supernatural worlds.

Vol 24 contains 13.

Vol 38 contains Bankara:
The cyber revolution seems to be a new weapon that school delinquents take advantage of and cause damage. A chairwoman named Miyamoto Shizuka possesses the power to keep things in order. But what will happen to the fate of the school when she mistakenly lets the rumored legendary BANKARA, named Gouda Takeru, free?