Tomonori Iwaki is a hapless fifteen year-old student who just had his heart broken when the teacher he had a crush on got engaged. He goes home to find that he's got a wife of his own though, even if she may look like a grade-schooler. Rizel, a very cute girl who is apparently made of nanomachines, does her best to win her new husband's heart, and hilarity and romance ensue.
- LEVEL 01: Love Comes with an Explosion
- LEVEL 02: Love Comes with a Lunchbox
- LEVEL 03: Love Comes with a Misunderstanding
- LEVEL 04: Love Comes with a Rival
- LEVEL 05: Love Comes with Tears
- MELTDOWN: Love Comes with a First Meeting
- LEVEL 00: Special Chapter