Oricon (Japanese research organization) released its weekly Light Novel ranking for the week of Dec 12 2025.
※The English titles of works may not always be accurate as some have not been released overseas. Thank you for your understanding.

Related rankings are compiled here
Oricon Comic Ranking Summary

3rd place: Alya Sometimes Hides Her Feelings in Russian Vol. 11

2026 Anime Season 2 Confirmed!
The 11th installment of the wildly popular青春 (youth) romantic comedy series!

Thanks to Ayano’s covert efforts, Nonoa’s betrayal has been exposed. Although Masachika and the others search for the collaborator who testified against Nonoa, the investigation quickly runs into obstacles. With lingering unease, they return to their everyday lives.

Meanwhile, Arisa struggles to decide what pledge to announce at the second semester closing ceremony. At the same time, Yuki organizes a Christmas party at school, captivating the entire student body with a flawless speech that emphasizes her ability to deliver on her promise.

Facing a formidable challenge, what pledge will Arisa ultimately decide on?
And as Arisa shines with newfound confidence and poise, what feelings stir in Masachika’s heart—!?

“…Did I think I didn’t want anyone else to see me like this?”

The beloved青春 romantic comedy continues—an 11th volume of resurgence, betrayal, and resolve!

2nd place: That Time I Got Reincarnated as a Slime Extra Story: How to Spend a Certain Vacation

After the successful conclusion of the Opening of the Nation Festival, peaceful days finally return to the Jura Tempest Federation.
During this calm, Veldora suddenly proclaims his desire to “develop beast magic.” Beast magic—created by the great sorcerer Benares in the legendary 3×3 EYES—is a magic system that could only be described as every man’s romantic dream.

Rimuru doubts whether such a thing could even be realized in this world, but with encouragement from Luminous, he decides to head to the “Magic Tower” to develop a new spell.

Thus begins a magical research journey—a “paid vacation”—undertaken by Rimuru, Veldora, and Hinata!

The volume also includes a special interview between manga artist Yuzo Takada and the original author Fuse, as well as a newly written short story set after the novel’s conclusion!

1st place: That Time I Got Reincarnated as a Slime 23

With Rimuru’s return, the forces of Tempest are filled with renewed determination.

In the midst of this, Rimuru receives shocking news from Velzard—
information that could fundamentally overturn the nature of the entire conflict.

Meanwhile, Ivarage begins to make troubling moves of his own, plunging the situation further into chaos.

A true all-out war.
As everyone is pushed to their limits, the fate of all rests upon a single slime.

The immensely popular reincarnation fantasy finally reaches its main-story conclusion!

Related rankings are compiled here
Oricon Comic Ranking Summary

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

1 40,607 86,523 That Time I Got Reincarnated as a Slime Vol. 23 Fuse (Story) / Mitz Vah (Art)
2 19,092 40,697 That Time I Got Reincarnated as a Slime Side Story: How to Spend a Certain Vacation Fuse (Story) / Mitz Vah (Art)
3 11,133 20,954 Alya Sometimes Hides Her Feelings in Russian Vol. 11 SansanSUN (Story) / Momoco (Art)
4 9,364 63,292 Welcome to the Classroom of the Elite: 3rd Year Arc Vol. 3 Shogo Kinugasa (Story) / Shunsaku Tomose (Art)
5 9,343 9,343 Blue Box: Interlude Kouji Miura (Story) / Nanao (Novelization)
6 3,903 13,966 Silent Hill f Shiro Kuro (Story) / Konami Digital Entertainment (Original Story & Supervision)
7 2,063 20,993 Full Metal Panic! Family Vol. 3 Shoji Gatoh (Story) / Douji Shiki (Art)
8 1,985 1,985 Now You Come to Me, the "Abandoned Queen"? ~The Story of a Capable Noble Lady and a Fool Doomed in 100 Days~ Kaoruho Hanami (Story) / Suzunosuke (Art)
9 1,918 17,647 I Was Put in an Unfriendly Group on the School Trip Vol. 2 Uzura Kakuregi (Story)
10 1,904 38,219 I Was Put in an Unfriendly Group on the School Trip Uzura Kakuregi (Story)

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