Psych. The Dragon Lady and the Seven Dwarfs

The fifth book in the series. Clans, bojar-anime, politics, black humor, and the total lack of brakes in the main character. A transmigrator. There are perks, but they’re minimal. The hero doesn’t care about everyone except himself. Nordic character. An unbalanced egoist. Not married. Purposeful and wants to bend the whole world over. Loves sex.