BookWalker Reveals its Best-Selling Titles of Summer 2026

Summer is in the books, and BookWalker has revealed the most popular series of the season! The period of the rankings ranged from July 1 through September 30.

Below, you can find the lists of each of the categories and their top titles! Did a series you enjoy make the list?

BookWalker Top 20 — Overall

1. Mushoku Tensei: Jobless Reincarnation Novel
2. Though I Am an Inept Villainess: Tale of the Butterfly-Rat Body Swap in the Maiden Court Novel
3. That Time I Got Reincarnated as a Slime Novel
4. Re:ZERO -Starting Life in Another World- Novel
5. Kaiju No. 8 Manga
6. Reborn as a Space Mercenary: I Woke Up Piloting the Strongest Starship! Novel
7. Ascendance of a Bookworm Novel
8. Shangri-La Frontier Manga
9. This Is Screwed Up, but I Was Reincarnated as a GIRL in Another World! Manga
10. Smoking Behind the Supermarket with You Manga
11. The 100 Girlfriends Who Really, Really, Really, Really, Really Love You Manga
12. Grand Blue Dreaming Manga
13. Though I Am an Inept Villainess: Tale of the Butterfly-Rat Body Swap in the Maiden Court Manga
14. Witch Hat Atelier Manga
15. Betrayed by the Hero, I Formed a MILF Party with His Mom! Manga
16. The Ghost in the Shell Manga
17. The Apothecary Diaries Novel
18. Granblue Fantasy Manga
19. The Cursed Sword Master’s Harem Life: By the Sword, For the Sword Manga
20. How to Deal When Your Intimidating Neighbor is Actually an Omega Manga

BookWalker Top 20 — Manga

1. Kaiju No. 8 Manga
2. Shangri-La Frontier Manga
3. This Is Screwed Up, but I Was Reincarnated as a GIRL in Another World! Manga
4. Smoking Behind the Supermarket with You Manga
5. The 100 Girlfriends Who Really, Really, Really, Really, Really Love You Manga
6. Grand Blue Dreaming Manga
7. Though I Am an Inept Villainess: Tale of the Butterfly-Rat Body Swap in the Maiden Court Manga
8. Witch Hat Atelier Manga
9. Betrayed by the Hero, I Formed a MILF Party with His Mom! Manga
10. The Ghost in the Shell Manga
11. Granblue Fantasy Manga
12. The Cursed Sword Master’s Harem Life: By the Sword, For the Sword Manga
13. How to Deal When Your Intimidating Neighbor is Actually an Omega Manga
14. Chained Soldier Manga
15. The 100th Time’s the Charm: She Was Executed 99 Times, So How Did She Unlock “Super Love” Mode?! Manga
16. Parallel Paradise Manga
17. The Exiled Heavy Knight Knows How to Game the System (Omnibus) Manga
18. 2.5 Dimensional Seduction Manga
19. The Fragrant Flower Blooms With Dignity Manga
20. Dorohedoro Manga

BookWalker Top 20 — Isekai (includes manga, light novels, audiobooks, webtoons)

1. Mushoku Tensei: Jobless Reincarnation Novel
2. That Time I Got Reincarnated as a Slime Novel
3. Re:ZERO -Starting Life in Another World- Novel
4. Reborn as a Space Mercenary: I Woke Up Piloting the Strongest Starship! Novel
5. Ascendance of a Bookworm Novel
6. This Is Screwed Up, but I Was Reincarnated as a GIRL in Another World! Manga
7. Betrayed by the Hero, I Formed a MILF Party with His Mom! Manga
8. The Cursed Sword Master’s Harem Life: By the Sword, For the Sword Manga
9. Chained Soldier Manga
10. Reincarnated as a Sword Novel
11. Trapped in a Dating Sim: The World of Otome Games is Tough for Mobs Novel
12. Parallel Paradise Manga
13. The Saga of Tanya the Evil Novel
14. The Exiled Heavy Knight Knows How to Game the System (Omnibus) Manga
15. Creature Girls: A Hands-On Field Journal in Another World Manga
16. Easygoing Territory Defense by the Optimistic Lord: Production Magic Turns a Nameless Village into the Strongest Fortified City Novel
17. Mushoku Tensei: Jobless Reincarnation Manga
18. Ascendance of a Bookworm Manga
19. The Ideal Sponger Life Manga
20. The Fed-Up Office Lady Wants to Serve the Villainess Manga

BookWalker Top 20 — Novel

1. Mushoku Tensei: Jobless Reincarnation Novel
2. Though I Am an Inept Villainess: Tale of the Butterfly-Rat Body Swap in the Maiden Court Novel
3. That Time I Got Reincarnated as a Slime Novel
4. Re:ZERO -Starting Life in Another World- Novel
5. Reborn as a Space Mercenary: I Woke Up Piloting the Strongest Starship! Novel
6. Ascendance of a Bookworm Novel
7. The Apothecary Diaries Novel
8. Reincarnated as a Sword Novel
9. Secrets of the Silent Witch Novel
10. Trapped in a Dating Sim: The World of Otome Games is Tough for Mobs Novel
11. The Saga of Tanya the Evil Novel
12. The Frontier Lord Begins with Zero Subjects Novel
13. Easygoing Territory Defense by the Optimistic Lord: Production Magic Turns a Nameless Village into the Strongest Fortified City Novel
14. Reincarnated as a Dragon Hatchling Novel
15. Survival in Another World with My Mistress! Novel
16. The World’s Strongest Rearguard Novel
17. From Old Country Bumpkin to Master Swordsman: My Hotshot Disciples Are All Grown Up Now, and They Won’t Leave Me Alone Novel
18. The Weakest Tamer Began a Journey to Pick Up Trash Novel
19. The Devil Princess Novel
20. Hell Mode Novel

BookWalker Top 20 — Yuri (includes manga, light novels, audiobooks, webtoons)

1. I Want to Love You Till Your Dying Day Manga
2. The Fed-Up Office Lady Wants to Serve the Villainess Manga
3. Asumi-chan is Interested in Lesbian Brothels! Manga
4. Young Ladies Don’t Play Fighting Games Manga
5. There’s No Freaking Way I’ll be Your Lover! Unless… Novel
6. I’m in Love with the Villainess Manga
7. Murciélago Manga
8. Gushing over Magical Girls Manga
9. Shino & Ren Manga
10. The Death Defying Princess Creates a Yuri Harem to Survive Manga
11. Adachi and Shimamura Novel
12. The Vexations of a Shut-In Vampire Princess Novel
13. Whisper Me a Love Song Manga
14. Marrying the Dark Knight (For Her Money) Manga
15. I Won’t Let Mistress Suck My Blood Manga
16. Otherside Picnic Novel
17. The Magical Revolution of the Reincarnated Princess and the Genius Young Lady Novel
18. A Yuri Love Story That Begins with Getting Dumped in a Dream Manga
19. Koharu and Minato: Happy Life with My Girlfriend Manga
20. The Moon on a Rainy Night Manga

Source: Email Correspondence

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