Kotori-chan and Hi-chan promised to marry each other when they grow up. But 10 years forward, the only one who's actually "grown" is Kotori-chan, while Hi-chan still looks like a grade schooler. Hilarity ensues.
Artwork
Authors
Chapters
| Vol.1 Chapter 17: End | May 27, 2017 |
| Vol.1 Chapter 16 | May 27, 2017 |
| Vol.1 Chapter 15 | May 27, 2017 |
| Vol.1 Chapter 14 | May 27, 2017 |
| Vol.1 Chapter 13 | May 27, 2017 |
| Vol.1 Chapter 12 | May 27, 2017 |
| Vol.1 Chapter 11 | May 27, 2017 |
| Vol.1 Chapter 10 | May 27, 2017 |
| Vol.1 Chapter 9 | May 27, 2017 |
| Vol.1 Chapter 8 | May 27, 2017 |
| Vol.1 Chapter 7 | May 27, 2017 |
| Vol.1 Chapter 6 | May 27, 2017 |
| Vol.1 Chapter 5 | May 27, 2017 |
| Vol.1 Chapter 4 | May 27, 2017 |
| Vol.1 Chapter 3 | May 27, 2017 |
| Vol.1 Chapter 2 | May 27, 2017 |
| Vol.1 Chapter 1 | May 27, 2017 |