Leo's depression

Leo is depressed because his brothers and his two human friends think it's his fault for Mikey getting hurt during a mission. And his depression deepens when a curtain someone leaves New York as a new mutant just to get away from shredder and to protect the turtles and there Friends.

Will he end up killing himself or will he be saved?

THIS IS NOT MEANT TO CAUSE HARM.

Book 2 of the series.