Smiles Leading to Happiness Cast Mahiro Takasugi Seia Yasuda Yuki Tsujimoto Ryo Nishikata Eri Hamada Yûichi Kimura Tetsuhiro Ikeda Aiko Sato Sôtarô Yuji Abe Io Uto Masaya Nakamura Momoko Abe Shun Oide Asami Kumakiri Tomoko Fujita Kibaji Tankobo Miyuki Kojima Saburo Taihei Hideyuki Nakayama Kumiko Akiyoshi Chieko Matsubara