Shadow Slave: Foreign shadow

What would you do if one day you found yourself in the world of Shadow Slave? Would you try to change the outcome or would you just follow the script? Are you brave enough to take the lead or would you simply step aside and enjoy life? You are Sunless, and also, you know the plot until the volume 10. It's not so bad, am I wrong? However... what if you found yourself in the world of Shadow Slave as Sunless, but the story is a 'little' different than the one you know? Let's find out! — Description from novelcodex.org