The Sexiest Succubus Accidentally Went Crazy for a Cucked Guy - Chapter 4: A warm... but unexpected welcome

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

When necromancers perform a great ritual to summon an undead servant, they bring a powerful vampire into their world. And now, their fate is sealed as food, but for Klaus, this is just the beginning of his adventure. In a cruel world where people will do anything for power and immortality, he is already very strong and immortal, so what's left if not start a family and have fun stepping on arrogant people through the way?

As a Male Ant King, Dragon Cypress is supposed to be welcomed in in the all-female Ant Clan Kingdom. The reality, however, is the opposite. Seventeen Great-Headed Ant Kings all express no interest in him. Fortunately, Dragon Cypress stumbles upon Dominating Throne, the brainchild of another civilization, which allows him to breed even without a female ant and build his kingdom.[Experiment number GADSSS541, Top secret][Creator Civilization, Dominating Throne, gene information identification and editing system overhaul complete, transported by the Alliance Expedition Army's 168th Army, 741st Corps Commander Hou Wenfeng, handed over to Phoenix Galaxy GA541 laboratory director Liu Zhihong...][Please select a type of Messenger][Guardian of Strength][Producer of Agriculture]

Akira Kisaragi traverses into the Bleach world, unlocking a check-in system.He initially thought that by checking in daily, he could become stronger, soon become the Captain-Commander, join Division Zero, punch Yhwach, kick the Soul King, and marry Unohana...However, the system's style wasn't quite what he had imagined.〈 Check-in complete, obtained Genryūsai Yamamoto's secret roasted sweet potato! 〉〈 Check-in complete, obtained exclusive attribute: King of Normal Attacks, effect... 〉〈 Check-in complete, obtained Retsu Unohana's... 〉Akira's eyes suddenly lit up!“Seems like this might not be so bad after all!”