There were quite a few people who died after the sun rose. not just those who had stubbornly not taken the dew drop or those who had failed to get in the first place, but also those who dies in the after effects of the sunnrising. This mythological world had a different sort of solar system, and while the sun rose, quite a lot happened on inertia in the first few months, and a lot more further changed in the following years. The most significant change was that inertaia had moved to the 5th ring on the solar system, once the situation slowly neutralized, while life continued on the planet with it's risks and rewards.
Shu XinYi enjoyed both, the new and the old cuisines that Calius made him everyday, and while same sex marriage was still not a thing, people had reached a stage where communities had started to form. Shu XinYi didn't feel a need to announce or certify their marriage, since they have and will always be each others.