Baka to Test to Shoukanjuu‎ - Volume 11, Authors Notes

This is a story of an ordinary boy gaining unusual powers from his nightmares… It all started when Lin Sheng experienced something strange on what he thought was just another normal day. He begins to have recurring dreams that lead him on an incredible journey of discovery as he encounters spine-chilling monsters and elusive secrets.

- Description from Novelupdates

He reincarnated into a hunter world and became an underwater hunter.There were only 20 people in the entire country in this minor profession, but it didn’t matter. He liked the sea.“Crazy! There’s a real artifact?!”“Ahahaha!! How much is all this worth!!”But then, the Great Diving Era began.“Ah, it’s so beautiful… I want to see more, more…”“W-What is that!! Save me!!!”“Aaaargh!!! My head!! It feels like my head is going to explode!!”…It would be better not to go in there.

Orphaned at the mere age of seven and thrown out on the streets with no place to go. Kana lived the life of a street rat. She did what she could to survive from digging through the trash and stealing what she could. But even after almost ten years of surviving, her life still ended short.

I awoke as Violet, a familiar villainess trapped in a shady corporate research lab. Screw this! With my unstoppable cloning technique, I’m getting out of here and going to the Academy to live my own life!