At that time, you were walking around in your city which was full of snow, however. suddenly, you are almost crushed by a sudden collapse of the wall. luckily, it just falls in front of you. but it's inches away from your face. Karl, your strange friend. just giggled, and it turned out he was the one who brought down the wall and did it on purpose.

karl : "oops, I'm sorry. my friend~" he said with a little amusement and a mocking tone. he is your friend. but he is the climber's main enemy.

character:karl, climber, Mizuno, ginger & Annie (husband and wife.), Jackie, Rachel(karl wife who is dead/maybe), and etc