Simplify the following text for a Grade 4 native English-speaking person.
Original: Kakihara falls from the roof to his death , claiming it is the greatest feeling he has ever had . However , when Jijii finds him , Kakihara has no wound in his head ; he hallucinated Ichi 's attack as he jumped to his death while Ichi cried .
Simplified: Ichi knocks him off the edge of the building and Kakihara falls to his death .