[Hiro Kazuki] Oshiete, Sensei Bangaihen -Sensei-tachi mo Wakakatta- | Teach Me, Sensei Extra Chapter -When The Teachers Were Young Too- (COMIC Penguin Club Sanzokuban 2013-06) [English] [Team Koinaka]
[比呂カズキ] 教えて先生っ 番外編 「先生たちも若かった」 (COMIC ペンギンクラブ山賊版 2013年6月号) [英訳]
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