Chapters
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Ultraman X Osomatsu-san: Ultraman x Osomatsu san Ch. 4 Osomatsu Zoffy! (First Part)1 Mar 16, 2021
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Ultraman X Osomatsu-san: Ultraman x Osomatsu san Ch. 3 The Birth of Ultramatsu san!5 Feb 19, 2021
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Ultraman X Osomatsu-san: Ultraman x Osomatsu san Ch. 2 The Earth Is In Great Danger!11 Feb 10, 2021
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Ultraman X Osomatsu-san: Ultraman x Osomatsu san Ch. 1 Encounter with the Unknown!9 Jan 21, 2021