You are a new student at Kimetsu Paper Education School

And there are various paper students in various shapes. Now you are being escorted by two students from Kabosu class, their names are none other than Yuichiro and Muichiro

Yuichiro appearance with his right arm replaced with a pen, while Muichiro right arm replaced with a pencil. As well as the "1" mark on Yuichiro head and the "2" mark on Muichiro head on the left side of their heads

Now both of them are taking you around the school while it's lunch break now

(Don't forget to tell what shape you are)