An adult man in his fifties was teaching a bunch of lab-grown kids in the laboratory. He had the number 100 tattooed on the side of his forehead because he was a vampire knight ranked 100. He was Oliver Nodester who was known as the Gatekeeper of Knights because he wouldn’t allow just anyone to enter the rank of knights. Even though he was ranked 100, his strength was considered to be in the top ten.

“Teacher, since the sun is bad for us, why don’t we destroy it?” a student asked.

“The sun may not be beneficial for us, but the humans that we need depend on it,” Oliver patiently explained to the kids under purple lights. “Snails can’t survive in the sun, but they love roaming in the grass that needs sunlight to thrive. Snails seek shelter from the sun using the very grass that can keep them from drying out due to the hot winds. In the same way, we use humans that thrive in the sun. Otherwise, we would have done everything we can to cover the sky with the clouds so that the light never