Hero Wizard: Save Your Girlfriend

One day when I woke up, I saw that my girlfriend wasn't beside me, so I started searching around for her but couldn't find her. Then I noticed a letter on the table, and the letter said: "If you want to see your girlfriend again, you'll have to pass through the magic forest to rescue her, but it won't be easy because you're not alone in the forest!" At first, I didn't understand, but..