4 books in series
Seven Princes of the Thousand Years Labyrinth
Seven Princes of the Thousand Years Labyrinth is a 3-book series with 4 primary works first released in 2015 with contributions by Aikawa Yu, Atori Haruno, 花鶏 ハルノ, and 相川 有.
| #1 |  Sennen Meikyu no Nana Oji Seven prince of the thousand years Labyrinth 1 | 3 | 1 read | ||
| #2 |  Sennen Meikyu no Nana Oji Seven prince of the thousand years Labyrinth 2
| 3 | 1 read | ||
| #3 |  千年迷宮の七王子 Seven prince of the thousand years Labyrinth 3
| 3 | 1 read | ||
| #4 |  千年迷宮の七王子 Seven prince of the thousand years Labyrinth 4
| 3 | 1 read |