Study on the Self-observation and Self-disclosure Subjective Details Casts Galleries Posters Season Lists Title Study on the Self-observation and Self-disclosure Subjective Genres Animation Comedy Release Date 2011-04-04 Episode Runtime 00 Hours 12 Minutes Season Number 1 Episode Number 9 Production Companies XEBEC Kana Hanazawa... Nanako Matsutaka (voice)... Akira Ishida... Komugi Musashi (voice)... Shiho Kawaragi... Makiko Gregory (voice)... Original Size (1280x720) Original Size (826x1239) Original Size (1000x1500) Season 1 13 Episode(s) 2011-04-03