The series sometimes contains references to certain genres or other specific media. Examples can be included on this page.


  • Episode 6 references the horror manga/anime "Monster" by repeating the quote 'the monster inside him is growing bigger and bigger', which is the line of Johan.

Left: Unknown. Right: a child's time.


Left: KissXSis, Upper Left: Yosuga no Sora, Lower Left: Same unknown

  • Episode 7 shows posters of several anime series in the background when they visit Akiba.

Upper left: Unknown again, upper right: also Yosuga no Sora, opening scene.

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