Happy" 14 2012 "Itsumo, Itsumademo" (いつも、いつまでも) 9 2015 "Imasara Surfside" (いまさらサーフサイド) 6 "Summer Time" 5 "Tonight" 8 "Toudai" (灯台) 9 2016 "Ride on Summer" 11...