3rd place: Zatch Bell! 2 Vol.5

The fierce battle to decide the new king of the demon world—where 100 demon children fought—has finally ended.
But soon after, the demon world is on the verge of collapse due to mysterious invaders. The demons lose all their magic, and even the magic books that harnessed human emotions to cast spells are burned away.
In the midst of this despair, demons and humans meet again—and once more, they fight side by side.

2nd place: Welcome to Demon School! Iruma-kun 42

During the high-ranking promotion exam "Scala," Iruma and his friends sparked a movement for the independence of the Many-Eared tribe.
But now, they’ve caught the attention of the Magic Security Bureau...!?
With Mephisto of the 13 Crowns facing off against the bureau, tension reaches a boiling point!!
The Scala arc reaches its thrilling conclusion. Will Iruma achieve his next rank?
And in big news—the TV anime Season 4 is officially in production!!
The heat is on in Volume 42 of this wildly popular demonic school fantasy!!

1st place: One-Punch Man Vol. 33

Saitama and Garou finally clash. Saitama urges Garou to consider young Tareo’s feelings, but Garou continues his monstrous transformation. Just when he’s about to accept defeat at Saitama’s overwhelming strength, a mysterious voice echoes—and grants Garou an incredible new power!?

Related rankings are compiled here
Oricon Comic Ranking Summary

Oricon Weekly Manga Sales Ranking

Ranking / Estimated number of copies sold / Estimated cumulative sales volume / Title / Author

1 76,301 153,293 One-Punch Man 33 (Story) ONE / (Art) Yusuke Murata
2 71,162 71,162 Welcome to Demon School! Iruma-kun 42 Osamu Nishi
3 64,764 64,764 Zatch Bell! 2 Vol.5 Makoto Raiku
4 58,065 119,192 Dandadan 19 Yukinobu Tatsu
5 57,924 58,182 Grand Blue 24 (Story) Kenji Inoue / (Art) Kimitake Yoshioka
6 53,809 110,488 Chainsaw Man 20 Tatsuki Fujimoto
7 50,948 107,758 Dragon Ball Super 24 (Art) Toyotarou / (Story) Akira Toriyama
8 46,245 46,245 The Dangers in My Heart: Feline Mode 11 Hitsuji Yamada
9 45,387 90,572 Natsume's Book of Friends 32 Yuki Midorikawa
10 41,304 43,678 The Ancient Magus' Bride 22 Kore Yamazaki

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