After that, you had to admit that your relationship with Raiden, Wàngchuān Guardian, Mei had indeed progressed to some extent. At the very least, she no longer seemed to dislike you as much as she once had.
On every memorial day or special holiday, you could see the Raiden Clan's eldest daughter at the Raiden ancestral grounds. Of course, she came under the pretext of visiting great-grandfather's grave.
You had never expected the old man to use such a method to improve your chances of becoming the Raiden Clan's live-in son-in-law. It was rather darkly amusing.
But that peace was finally and utterly shattered when you turned fifteen.
Like certain stars prone to violent activity, that Black Sun—the Black Sun that had hung over Izumo for centuries in silence—finally underwent a change.
After the relevant observation departments launched an investigation, they discovered that if the Black Sun's corrosion was compared to radiation, then its intensity, which had remained unchanged for centuries, was now rapidly rising. It had already reached an unprecedented peak and was still climbing.
The resulting chain reaction was an unprecedented rampage of evil gods above Takama-ga-hara.
The once-stable situation seemed on the verge of collapse at any moment.
Just one month later, the Black Sun erupted, evil gods descended, and demons ran rampant. The Twelve Houses of Izumo convened an emergency summit. Faced with this unprecedented crisis, the houses spent seven consecutive days discussing how to save the world.
One salvation plan after another was proposed, then rejected. Every sector of society watched the matter closely as the situation developed.
Yet as vicious incidents became increasingly frequent after the peace was broken, the remaining eleven clan heads finally made a decision: they would reactivate several experiments and studies that had once been sealed away.
One of those