Kyokkou+no+marriage+xu+guangnomariaju+crack [top]+top -

This appears to be a niche fanfiction concept likely originating from a crossover or rare pair in Japanese/Chinese BL fandom.

If your interest is in something like a detailed report or analysis on a specific topic (and assuming "kyokkou no marriage" is a relevant title or term), here are some general steps you might consider: kyokkou+no+marriage+xu+guangnomariaju+crack+top

Xu Guang, an exiled Chinese ice mage, is forced into a political marriage with Mariaju, the eccentric, cake-obsessed ruler of a floating aurora palace. The marriage is required to stop a eternal winter, but Mariaju keeps derailing the ceremony by asking absurd wedding questions. This appears to be a niche fanfiction concept

Based on the structure, this looks like a mix of: an exiled Chinese ice mage