第 2247 集: 家長日，松左衛門的祖父與松次郎拜訪忍術學院

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Shouzaemon's grandpa and younger brother Shoujirou have come for the First-year Ha-class' parent's day. Apparently, Shouzaemon's grandpa wanted to see Shouzaemon off to school, but couldn't quite say goodbye and ended up following him all the way to the Ninjutsu Academy. (Source: Nintama Rantarou Wiki)