Shinkenzemi High School Course Basic Chemistry に対応した新学習指導要領 Regular Test Practice Problems Review Issue I received this unused item from Mercari last year. I only flipped through it a few times and solved a few problems in my notebook (?), so I barely used it. There are signs of use such as creases and scuffs on the cover, but there is no writing inside. I apologize if I have overlooked anything.