Top 10 Action Manga/Manhwa To Read In Your Free Time.

Before going on to the recommendations list if you are looking for some cool anime and manga merch then you should definitely check out this site:
SaiyanStuff.com

1. Different Kings.

Reiki is a resurrection, the entire world is covered by a strong aura, and creatures of the earth are affected by this. Humans experienced an account that they had stronger powers, and other creatures besides humans also evolved rapidly under the influence of Aura. Some powerful and mysterious races have appeared in silence. The legend says that the power remained: the family in another world, coincidentally, the soul of another world royal prince entered the body of a young common human, Huang Shang, and began the story of bloody and funny hegemony...

2. Way To Be The Evil Emperor.

The story of Xie Yan, a ridiculously handsome man who fell into the hands of sexy women lusting after his body upon transmigration. To avoid dying from dual-cultivation, he travelled to countless worlds.

3. Lord, It Doesn't Matter.

The main character, Lord Li De is the fourth son of Lord Yunyang of YongTian Kingdom. After being reincarnated into another world filled with monsters and magic, he tried to live leisurely, but his father had different plans for him. He tried to make Li De a sacrifice in order to make his first son gain more popularity and seem a bit more cruel. This manga starts out by showing how Li De struggles to escape from being a sacrifice, then consequently how he manages his own Territory and becoming a Lord himself.

4. Gigantis.

On that day, humanity was turned into “prey”―. Gen is a high school student living on the island of Tsushima, a door to mainland Japan. Along with his sickly sister, Misaki, and his heartwarming mother, Gen was living a peaceful life, all until an “asymmetrical monster” appears on the island. All hell breaks loose on the island of Tsushima. These monsters devour everything from plants to animals, to humans, and mutate together. Will humanity stand a chance against these mutant creatures? Is there any hope?

5. Earthchild.

A regular person falls in love with a superhero who protects Earth! In terms of circumstances, ability, experience--they are from two different worlds, but they get to know each other, support each other, and then... A unique love story on a planetary scale now begins!

6. Ayashimon.

Maruo, a boy starved for battle, meets Urara, a girl trying to escape from underworld thugs... A supernatural yakuza story by Yuji Kaku, the creator of Hell's Paradise: Jigokuraku!

7. Promised Orchid.

Yang Jaesin always dreams the same dream of a woman telling him she’ll be waiting. One day, he meets a mysterious fortune teller who tells him he cannot avoid destiny and leaves him with some advice: For the path he walks, Jaesin must keep with him “the eyes that can see the isolated truth.“ Original Webtoon.

8. Battle Of The Six Realms.

In a world where humanity escaped underground to survive, En is an impoverished boy who lives off the trash of those more privileged than him. He spends his days in the slums, looking through a trash heap for the decomposing bodies of "losers," those who were defeated and killed in the "Battle of the Six Realms." To participate combatants have to undergo an expensive "body modification surgery," and En sells these modifications, machines attached to their bodies that significantly increase fighting ability. Uninterested in the tournament and its champion, unlike everyone else, he aims only for a worry-free life. But one day, a chance encounter with a mysterious man shatters his reality and puts him on a different, more gruesome path.

9. Volcanic Age.

Joo seo-cheon, a man who survives the age of war through sheer luck and becomes hwasan factions elder only to live a life full of regrets and doubts. he then lies on his death bed waiting for the inevitable when he is returned to the past…

10. I Am The Fated Villain.

Gu Zhangge was transmigrated into Xuanhuan World. The moment he was transmigrated, he saw many models surrounding the Lucky Male Protagonist and he really show hate him. Even the Female Protagonist was hugging him which lead to many jealousy among the VIP guest who witness it. Since I am more powerful and higher in status than him, destroying him would be very easy, but wait, there is a system here which allow me to receive some of his luck. Gu Zhangge smile to himself, it looks like I will be derailling from the path of the Heavenly Destined Villain more and more!