Complex sentence: Junpei arrives ahead the others, trying to convince Chidori to return, but she tries to kill him, telling him that when she is with him she becomes afraid of death.
Split into simpler sentences: Junpei arrives ahead the others, trying to convince Chidori to return, but she tries to kill him. Junpei eventually able to calm down Chidori, who reveals that when she is with him, she becomes afraid of death.