When I went back in time to age 15, my parents went back too, and they set me up with a romantic prospect.

I thought I had lived out my natural lifespan, but then I was rewound back to just before my high school entrance. My parents also remembered the previous timeline, and as we pondered the reason for this time regression, the previous life started interfering with my words... ※The R15 rating is due to the protagonist's fairly frank dialogue. ※This is also posted on 'Hameln'.