"That ... is a very long story," Gen said, smile faltering slightly. Because, how to summarize it all? "But, ah, in short - aliens wanted to entice with immortality, and being alien, thought that petrifying everyone for four thousand years would help convince us?"

He made a helpless little shrug, as if to say, I know exactly how crazy that sounds.

"Then you'll just have to trust me," Gen told him with a wink. He had to giggle. "Reminding him to eat and actually sleep isn't nagging him, but I suppose he's entitled to see things that way~"