Character
Mitsuru Yamaguchi
山口満, Jack-in-the-Box
A seventh grader who was in same school as Kirie Goshima who loved to jump out and surprise people. He also had a crush on her.
+ MoreVoice Actors
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Kappei Yamaguchi
Japanese -
Erik Scott Kimerer
English -
Dawid Dziarkowski
Polish
