I think that we should just merge this into https://www.mangaupdates.com/series.html?id=27211

Call it chapter 15.

We do not give "One Fun Sunday" its own page, even though it actually is not included in the 'Boys Empire' volumes, because it is part of a big story.

Also, regardless of publishig order, based on the story order, I believe OFS would actually come at some point after the "Ikki-kun" chapter.

Did that even come out before Boys' Empire? Did it launch it? Is BE a prequel to OFS?

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Is Childhood's End actually part of Boy's Empire? If not, how are they actually related?

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A just ruler amongst tyrants

Childhood's End's single chapter ヨウネンキノオ ワリ ("Younenki no Owari" meaning "Twins Circumstances") by Juan Gotoh stars non-identical twins, brother (Kyouichi Tamura) and sister (Ichigo Tamura) who are the children conceived by characters in Boys' Empire.

Umeko Tamura appears in both series. She is the mother of the protagonist Makoto Tamura in Boys' Empire and Kyouichi/Ichigo also call her mom.

They appeared as babies in the final chapter of boys empire http://cdn.perveden.com/mangasimg/aa/aaba2e85e70ac6d8e2e 3f55b693d7df99c027db95183a83ea88a16ec.jpg

Kyouichi is the son of Makoto and Ichigo is the son of Makoto's father (Umeko's husband).

It's been a while since I read the series but I believe Umeko's husband was also her brother

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-ty

Done

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A just ruler amongst tyrants