It would be better to promote the fourth volume first and once the sales peak of the second and third has passed, launch the fourth so that it does not interfere with the sales of the previous two volumes.
ch 95 [95] A Series of Good News
Anime & Comics · Leonzky
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ch 94 [94] Stirring Shizuka's Emotions
Anime & Comics · Leonzky
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ch 39 [39] The Second-Coming of…
Anime & Comics · Master4thWall
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ch 79 Aiden vs Itachi
Anime & Comics · Mr_Aizen
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ch 76 DxD 0076: Secrets
Anime & Comics · Addyctive7
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ch 75 DxD 0075: Meeting Vali
Anime & Comics · Addyctive7
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ch 37 [37] The Next Big Time Mage (1)
Anime & Comics · Master4thWall
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ch 102 TTW Chapter 102: Eren, here you go (PS Bonus Chap)
Anime & Comics · Bleam
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ch 73 DxD 0073: Mayhem
Anime & Comics · Addyctive7
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ch 101 TTW Chapter 101: Hannes became a Hero (PS Bonus Chap)
Anime & Comics · Bleam
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ch 100 TTW Chapter 100: Refugee Camp
Anime & Comics · Bleam
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ch 34 [34] Little Songbirds
Anime & Comics · Master4thWall
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ch 96 TTW Chapter 96: Shiganshina's Fall
Anime & Comics · Bleam
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ch 78 Senju y Uchiha
Anime & Comics · Mr_Aizen
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ch 80 [80] Kamakura
Anime & Comics · Leonzky
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ch 543 One Down
God succession system
Others · Harry_Dresden