7 books in series
The World's Greatest First Love
The World's Greatest First Love is a 7-book series with 7 released primary works first released in 2008 with contributions by Shungiku Nakamura and 中村春菊.
| #1 |  The World's Greatest First Love, Vol. 1
| 3.4 | 7 reads | ||
| #4 |  世界一初恋 ~小野寺律の場合4~
| 3 | 1 read | ||
| #5 |  世界一初恋 ～小野寺律の場合5～プレミアムアニメDVD付き限定版
| 3 | 1 read | ||
| #6 |  世界一初恋 ~小野寺律の場合6~
| 3 | 1 read | ||
| #7 |  世界一初恋 ~小野寺律の場合7~
| 3 | 1 read | ||
| #8 |  世界一初恋 ~小野寺律の場合8~
| 3 | 1 read | ||
| #9 |  世界一初恋 ~小野寺律の場合9~
| 3 | 1 read |