Oricon (Japanese research organization) released its weekly Light Novel ranking for the week of October 20 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

5th place: Is It Wrong to Try to Pick Up Girls in a Dungeon: Familia Chronicle - Episode Asfi

How did she become the “Omnipotent” (Perseus)?

A brand-new installment arrives in the hugely popular “Is It Wrong to Try to Pick Up Girls in a Dungeon?” spin-off series!!!

This is a fragment of history woven by the divine kin—
“A ‘Ghost Ship’?”
Asfi, busy with her daily tasks, receives an adventurer’s request. The Hermes Familia boards the mysterious “Ghost Ship” that has appeared off the harbor town’s coast, accompanied by the bodyguard Ryuu.
“But Meril and Nelly were taken by ghosts! And… even Swift!!”
Countless spirits, disappearing comrades, and a series of eerie phenomena unfold.
The ship sails into a magical peril, leading them to the long-lost underwater city—
“My homeland… the Sea Kingdom (Deizara)!?”
Amidst the swirling chaos of mist and the labyrinthine sea, the blade of inquiry is plunged by the Omnipotent!
Also included is the prequel chronicle depicting the Sea Kingdom’s princess before she donned the hero’s shoes—the fourth volume in the Chronicle series!

4th place: Is It Wrong to Try to Pick Up Girls in a Dungeon? Vol.21 Special Edition w/ Booklet

The Loki Familia has been completely wiped out—.
The worst news awaited Bell upon his return from the far northern frontier.
Even the gods could not hide their shock at the reality that the city’s largest faction’s “expedition” had failed, and that Ais and the others were stranded on the 60th floor of the dungeon.
But the City of Heroes refuses to accept its doom.
“We will use the entire army of Orario.”
Raise your battle cries. Pour all your cards into the fight and resist despair. And then—
“If I could do it, then so can you.”
When crimson and deep blue gazes meet, a single ray of hope is within reach.
This is the story of a boy’s journey, and a goddess’s record—
The Tale of the Familia Mythos (Familia Miis)