My Hetalian Adventure: Don't Trust Mirrors!

Hanna was walking around at a local event when she finds a magic mirror that grants wishes. She looks too closely and falls in! There appears to be a girl with similar looks after her. Will she be able to get home? No romance, rated T Cursing and small gore. First Story, Please don't flame! Self-Insert because I'm too lazy to make an OC. SLOW UPDATE