The mother of late actor�Park Yong Ha attended a charity event for the Japanese earthquake victims in place of her son. On April 9th, Nikkan Sports reported that Park Yong Ha's mother, along with 100 Japanese actors, attended a charity event at Yokohama Park for the Japanese victims. The newspaper also reports that Park Yong Ha's mother left a message in the space on her son's picture, which read, "Thank you so much for inviting me to this meaningful event. I attended this event with a grateful heart." While learning to deal with the grief of her son's passing, Park Yong Ha's mother published a book, called "My Son, The True Park Yong Ha", back in March about Park Yong Ha's life before his suicide. Source + Picture: Star News via Yahoo! Korea