Vergil sense his time for take some adventure is come, he carry all his secret with him to that world.
After arrive on that world, he learn that world still use sword and magic and symmetric warfare is always the answer.

The world with no shadow at all,... every battle won in open field, magic and sword classing
The world only know no lie and conspiracy in battlefield but evil is there hiding in plain sight
The world who keep their own corruption inside and grow like cancer waiting to be taker

is time some one from shadow protect and operating....

Assassin Master from other World

Every morning after breakfast, Aeka locked herself in the underground laboratory, surrounded by shelves lined with herbs, vials, and cauldrons. The soft hum of boiling liquids filled the air as the faint fragrance of herbs and flowers wafted through the room. With Elen by her side, Aeka refined her line of beauty products. 


Under Aeka's guidance, Elen learned the precise art of mixing, measuring, and balancing ingredients. From milk extractions to the use of herbal infusions, Elen's natural curiosity made her an exceptional assistant. With every lesson, Aeka introduced her to more advanced concepts of chemistry, often hinting at how these techniques could be used in other areas like poison-making. 


"Every elixir can be a cure or a curse," Aeka would say with a mischievous grin. Elen's eyes gleamed with fascination, absorbing every lesson like a sponge. 


Their work led to the creation of three signature products: 


The New Brand of Cosmetic