Seinen

A young girl fights on the frontlines in war. She has blonde hair, blue eyes, and nearly transparent white skin, and she flies through the air and mercilessly strikes down her opponents. Her name is Tanya Degurechov, and she speaks with a young girl's lisp and commands the army. Tanya used to be one of Japan's elite office workers, but because of a wrathful god, was reborn as a little girl. Tanya prioritizes optimization and career advancement above all, and she will become the most dangerous entity among the Imperial Army's sorcerers.

The story follows a team of mercenaries known as Lagoon Company, who smuggle goods in and around the seas of Southeast Asia. Their base of operations is located in the fictional city of Roanapur in Thailand, and they transport goods in the PT boat Black Lagoon. Lagoon Company does business with various clients, but has a particularly friendly relationship with the Russian crime syndicate Hotel Moscow. The team takes on a variety of missions - which may involve violent firefights, hand-to-hand combat, and nautical battles - in various Southeast Asian locations.

Between the mountains and the seas, there was a war with the beasts for survival. A man, named Bo Yi, discovered that drinking the beasts blood would grant him powers. Bo Yi traveled the world, recorded these beasts, and wrote the "Shan Hai Jing", he also established «Shang Hai Jing» city, to promote the idea of eating beasts to gain the power to hunt them. But when relations with other countries soured Bo Yi had dissapeared. Since then «Shan Hai Jing» started the pursuit of fame and profit.

Having lost his money, lover, and future, a man who has given up on everything finds himself reincarnated in the kingdom of Altodestenia. He, Lectival, has no memories prior to being saved by Meriela, the daughter of an aristocrat, and now finds himself rising up to save the kingdom in its current crisis.