Zero no Tsukaima - Volume 18 Chapter 6

Riding out the apocalypse on a tropical island isn't exactly a vacation. When mana arrives on Earth, Coop finds himself isolated in paradise with only one real option to survive. He needs to claim a civilization shard and level up. Coop maximizes his chances by carefully selecting a class and committing to progression. He’ll need to grind thousands of monsters to compete on the system's leaderboards while upgrading his settlement to represent the factionless.

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

Zhang Qiu is an archaeology undergraduate. One month ago, he went to Qinling Mountains with a group of archaeologist doctorate students led by Prof. Fang, to study the newly discovered ancient tomb. While the people were excited to open the tomb, Zhang Qiu was pushed back, and accidentally fell into an opening. Before he fainted, he saw a pair of red eyes staring at him. When woke up, he discovered that he was deflowered! QAQ he remembered the deeds and often dreamed of it.

After getting hit by the truck, Luke was reincarnated as a target character in a reverse harem game.He was supposed to throw away his fiancée—the Villainess—and mindlessly follow the Protagonist.A side character he was destined to be, however, even if Luke accepts his fate as a side character, he cannot let the Villainess meet with the same dead end.-----------Additional tags: No yaoi, no yuri, no NTR. Obsessive character, possessive character, solo-romance, no harem, early romance, possible lemons.