June 2025 – Best-Selling Light Novels in Japan

Here's a look at the top-performing light novel volumes in Japan during June 2025, based on weekly Oricon sales data and digital rankings from platforms like Rakuten Kobo.

🏆 Top 10 Light Novel Volumes – June 2025

The Apothecary Diaries Vol. 5

『薬屋のひとりごと 第5巻』


Kusuriya no Hitorigoto 5 (Hero Bunko) [Light Novel]

Estimated strong physical sales. A historical mystery that continues to dominate the charts.

The Apothecary Diaries Vol. 16

『薬屋のひとりごと 第16巻』


Kusuriya No Hitorigoto 16 (Hero Bunko) [Light Novel]

#1 on Rakuten Kobo (eBook). Massive digital success shows continued demand.

The Irregular at Magic High School – Majian Company Arc

『魔法科高校の劣等生 メイジアン・カンパニー編』


The irregular at magic high school: Magian Company 5 (Dengeki Bunko) [Light Novel]

#2 on Kobo. Sci-fi meets school battle magic in this long-running favorite.

Who Killed the Hero? – Hero’s Chapter

『誰が勇者を殺したか - 勇者の章』
#3 on Kobo. A dark fantasy whodunit capturing a growing readership.

Too Many Losing Heroines! Vol. 8

『負けヒロインが多すぎる！第8巻』
#4 on Kobo. This romantic comedy continues to gain loyal fans.

The Abandoned Duchess Wants a Quiet Life Vol. 2

『捨てられ公爵夫人は平穏な生活をご所望です 第2巻』
#5 on Kobo. A noble romance drama steadily climbing the charts.

The Witch and the Mercenary Vol. 6

『魔女と傭兵 第6巻』
#6 on Kobo. Action fantasy with a darker edge.

Mushoku Tensei: Jobless Reincarnation – Sasoku-hen Vol. 3

『無職転生 〜異世界行ったら本気だす〜 速足編 第3巻』
#7 on Kobo. A spin-off from the beloved isekai franchise.

By the Grace of the Gods Vol. 17

『神達に拾われた男 第17巻』
#8 on Kobo. A lighthearted isekai that’s maintained steady fan interest.

The Weakest Tamer Starts Picking Up Trash Vol. 14

『最弱テイマーはゴミ拾いの旅を始めました。第14巻』
#9 on Kobo. A feel-good underdog fantasy with growing digital popularity.

🔎 Summary

• 『薬屋のひとりごと』 dominates both physical and digital charts with multiple volumes in circulation.
• A mix of genres—fantasy, romance, mystery, and isekai—continues to resonate strongly with Japanese readers.
• Kobo’s top ranks reflect a shift toward digital readership, especially for romance and niche fantasy series.
• Spin-offs and sequels of established titles (Mushoku Tensei, Mahōka) are playing a vital role in maintaining fan engagement.