T W ยท T. Watanabe
| title | ISBN-13 | year of publication |
|---|---|---|
| The Ideal Sponger Life Vol. 1 | 978-1-64275-043-0 | 2019 |
| The Ideal Sponger Life Vol. 2 | 978-1-64275-128-4 | 2019 |
| The Ideal Sponger Life Vol. 3 | 978-1-64275-696-8 | 2019 |
| The Ideal Sponger Life Vol. 4 | 978-1-64275-742-2 | 2019 |
| The Ideal Sponger Life Vol. 5 | 978-1-64505-236-4 | 2020 |
| The Ideal Sponger Life Vol. 6 | 978-1-64505-742-0 | 2020 |
| The Ideal Sponger Life Vol. 7 | 978-1-64505-816-8 | 2020 |