Mezue ahịrịokwu na-esonụ: N'ọnwa Eprel afọ 2011, Park so ndị otu egwu Japan aha ha bụ Mihimaru GT kụọ egwu na UN Charity Concert na Yokohama, Japan iji nyere ndị ahụ nwụrụ n'ihe mberede nuklia aka.
Ala ọma jijiji na ala ọma jijiji nke Tōhoku nke afọ 2011. Ọ wepụtara onwe ya ma rụọ ọrụ n'oge mmemme ọrụ ebere nke United Nations: "Friend's Whistle! Mee Ihe Maka Echi!" Ya na ndị otu Choshinsei ((Supernova), o guzokwa n'èzí ụlọ mmemme na Pacifica Yokohama iji nakọta onyinye ego. Ọzọkwa, ọ rụrụ n'April 28 iji gbaa ndị mmadụ ume inye onyinye.