Ep. 1979: Doi-sensei visits Tofuntake Castle branch to investigate potential war preparations
Aired on May 15, 2017

1979
During a holiday, Doi-sensei travels to the Tofuntake Castle branch for a business trip. He secretly enters the castle grounds to determine if the Tofuntake clan is preparing for war. Simultaneously, Kirimaru arrives at the same location to fulfill his part-time job duties. The narrative focuses on these parallel activities as both characters navigate the castle environment for their respective purposes, with Doi conducting his investigation while Kirimaru attends to his employment obligations at the branch.
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- Ep. 1979 · Doi-sensei visits Tofuntake Castle branch to investigate potential war preparations
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