Kyoukai no Nai Sekai – Series Info
- Title: Kyoukai no Nai Sekai (A World Without Boundaries/Borderless)
- Story/Art: Ikuya Daikokudou
- Publication Status: Completed
In a future world with advances in medical technology, all citizens over 18 can freely choose to change their sex through the “sex reassignment system”. After the end of summer vacation, a girl reminiscent of an old friend named Akira Kittaka transfers into Yuuji’s class. A little love story of young people living in a world where they can choose their sex at will.
(Ch. 1–13 is the Kei-chan arc, Ch. 14-18 is the Satomi arc, and Ch. 19-23 is the Akira arc.)
Publication Note
This series was originally serialized on Manga Box by DeNA in Japanese, English, and Traditional Chinese starting on September 9, 2014. It was originally supposed to be published in volume format by Kodansha under their Weekly Shōnen Magazine imprint beginning in March 2015, but the release was canceled due to “problematic language.” As such, Manga Box discontinued serialization after Chapter 15, including the English translation. The series was picked up in Japanese by Kadokawa in Monthly Shōnen Ace beginning with the June 2015 issue released on April 2, 2015, with the first volume being released on April 25, 2015.
Support the author by purchasing the original: Amazon / Bookwalker / CDJapan / eBookJapan
Joint collaboration with ElPsyKongroo (Ch. 19-20).
Chapters
| Ch. 1–12 translated by Manga Box, Ch. 13–18 translated by Albedo |
| Volume 1 | ||
|---|---|---|
| Chapter 1 | You’re Kei-chan… Right? | Read Online |
| Chapter 2 | Shall We Sleep Together? | Read Online |
| Chapter 3 | Let’s Play ♪ | Read Online |
| Chapter 4 | Wanna Fall in Love? Stalker! | Read Online |
| Chapter 5 | Wanna Give It a Try? | Read Online |
| Omake | — | |
| Chapter 6 | Sakura, Wishes, and Love | Read Online |
| Chapter 7 | Mission Impossible! | Read Online |
| Omake | — | |
| Chapter 8 | Bra-Bra Lesson ♥ | Read Online |
| Chapter 9 | Confusion | Read Online |
| Omake | — |
| Volume 2 | |||
|---|---|---|---|
| Chapter 10 | (Old: Ch. 10) | Like a Newborn Deer | Read Online |
| Omake | — | ||
| Chapter 11 | (Old: Ch. 11) (Old: Ch. 12) | What is This Feeling? (Part 1) What is This Feeling? (Part 2) | Read Online Read Online |
| Chapter 12 | (Old: Ch. 13) (Old: Ch. 14) | The Date and the Confession (Part 1) The Date and the Confession (Part 2) | Read Online Read Online |
| Chapter 13 | (Old: Ch. 15) | A Kiss, a Confession, Then… | Read Online |
| Omake | — | ||
| Chapter 14 | Satomi’s Determination | Read Online | |
| Omake | — | ||
| Chapter 15 | Studying Sexual Selection | Read Online | |
| Omake | Read Online | ||
| Chapter 16 | Don’t Let Me Love You Any More | Read Online |
| Volume 3 | ||
|---|---|---|
| Chapter 17 | Are Yuu and I Missing Something? | Read Online |
| Omake | — | |
| Chapter 18 | Satomi’s Decision | Read Online |
| Omake | — | |
| Chapter 19 | A Certain Memory… | Read Online |
| Omake | — | |
| Chapter 20 | Aki’s Secret | Read Online |
| Chapter 21 | Inside Him, I’m Still Me… | Read Online |
| Omake | — | |
| Chapter 22 | Drowning in Despair | Read Online |
| Omake | — | |
| Chapter 23 | Yuu’s Choice Afterword | Read Online |