Arc 4

One of Witch Cult Translations' translators created a full translation of arc 4. As he states many times, his translations are not a perfect 1:1 translation, but rather a very detailed summary. He is only known by his email, His translations can be found here.

u/LawlessRaptor99 created a full arc 4 PDF using their translations. That can be found here.

Phase 1

Phase 2

Phase 3

Phase 4

Phase 5

Phase 6

Arc IV Interludes

Following Arc 4 is a series of interludes known collectively as One Day II, which take place between Arc 4 and Arc 5 (One Day I was the series of interludes between Arc 2 and Arc 3, the stories there are linked on our Side Content document).