Code Geass: Lelouch of the Rebellion R2 - Recommendations

Alt title: Code Geass: Hangyaku no Lelouch R2

If you're looking for manga similar to Code Geass: Lelouch of the Rebellion R2, you might like these titles.

Aldnoah.Zero

Aldnoah.Zero

Years after a great war was waged between the portion of humanity that migrated to Mars and those who chose to remain on Earth, a tentative peace has been struck. But not everyone is happy with the status quo. When the Princess Asseylum of Mars makes a diplomatic visit to Earth in an effort to strengthen ties, some see it as an opportunity to reignite the flames of war. Can the citizens of Earth stand against the awesome might of the Martian Kataphrakts a second time?

I agree

Mobile Suit Gundam: The Witch from Mercury (Light Novel)

Mobile Suit Gundam: The Witch from Mercury (Light Novel)

A.S. (Ad Stella) 122. An era when a multitude of corporations have entered space and built a huge economic system. A lone girl from the remote planet Mercury transfers to the Asticassia School of Technology, run by the Beneritt Group which dominates the mobile suit industry. Her name is Suletta Mercury. With a scarlet light burning in her pure heart, this girl walks step by step through a new world.

I agree

Death Note

Death Note

Power corrupts, and absolute power corrupts absolutely. Top-ranked student Yagami Light is disenchanted with the world around him. Through a series of events, he comes into possession of the ultimate power over life and death: a supernatural "death note" which can kill nearly anyone at his whim. As Light sets off on a crusade-turned-killing-spree, investigators from a police task force try to stop the mysterious deaths - including Light's own father, a senior policeman.

I agree

Akumetsu

Akumetsu

Nagasawa Shiina is just an average 3rd year high school student until her parents' company goes bankrupt. In order to pay the bills, she sells herself into prostitution. At her first job, a mysterious masked man crashes the party... and it's someone she knows. Akumetsu is the story of Shou, a vigilante that's out trying to straighten the corrupt Japanese Government through terrorism with his "One man, One kill" code of action.

I agree

Guilty Crown

Guilty Crown

After the outbreak of the unidentified virus "Lost Christmas" in 2029, Japan has been under the control of a multi-nation organization called GHQ. Ohma Shu is a 17 year old boy who has a psychic power in his right hand. He can use the power "Ability of King" to extract tools or weapons from his friends. He has been avoiding making trouble for others but his life changes when he meets a girl Yuzuriha Inori, a member of a resistance guerrilla group called "Undertaker", whose members pilot mecha weapons to fight against the government

I agree

Gunslinger Girl

Gunslinger Girl

The Social Welfare Agency, acting under the cover of a charitable organization that aids the physically injured, is actually a military organization specializing in anti-terrorism. One of its branches, Section 2 of Special Ops, uses mechanically-enhanced young girls as assassins. They each have their individual 'handler', who is free to use whatever methods they like to train them. Henrietta is one of these cyborgs. But despite being subjected to a brainwashing process called 'conditioning', and being trained to fight and to kill, she still has the heart and emotions of a young girl.

I agree

Ajin

Ajin

The first Ajin appeared 17 years ago and quickly became the most important discovery to mankind. While they appear to be human, Ajin are rare, immortal beings that are feared by the populace. Only 46 are known to exist in the world, and most try to hide their existence, for capture means being subjected to brutal experiments that never end. Kei Nagai is a boy who dreams of becoming a doctor to heal his sister one day, but after he dies - and revives - in a car accident, he learns the terrifying truth that he too is an Ajin. Now, Kei finds himself on the run from both human and Ajin monsters that wish to do him harm, while struggling with his new, unwanted identity.

I agree

Deadman Wonderland

Deadman Wonderland

Middle school student Ganta Igarashi witnessed the slaughter of his entire class by the mysterious 'Red Man', and as the only survivor, he was labeled a mass murderer and sentenced to death. Now an inmate at the privately-owned prison and ‘amusement park' known as Deadman Wonderland, Ganta must try to survive in a place where inmates are the main attraction in brutal gladiator-style games. At the same time, he must attempt to uncover the truth behind the ‘Red Man', his mysterious childhood friend Shiro, and why he was the only survivor that bloody day.

I agree

Elfen Lied

Elfen Lied

In the near future, some girls are born mutated. Known as Diclonius, this new species is believed to have been chosen by God to wipe out mankind. Unlike regular humans, Diclonius have two horns on their head and ‘vectors' - invisible ‘hands.' Contained within a research facility unknown to the world, the Diclonius are experimented upon mercilessly; many die or develop a hate for mankind. One such creature, Lucy, is said to be the first of the Diclonius. She escapes from the facility, but while fleeing she takes a bullet to the head and is seemingly killed. However, it seems Lucy isn't quite dead yet; she's instead developed an alternate personality called Nyuu. She's washed up on a shore where two people, Kouta and Yuka, find her and bring her home, unaware that such a monster still lurks within Nyuu. 

I agree

Quickly Wear the Face of the Devil (Novel)

Quickly Wear the Face of the Devil (Novel)

A top hacker was chosen by the Lord God to be reborn into countless worlds, always as an expendable villain. With no free will, every world became a dead end. Every one of his lives ended tragically. Finally, after wresting control of the Villain System, this ace hacker decided to enact revenge. Even if his very bones were rotten, he’d choose to occupy the very heights of morality, if only on the surface. Thus, he would change his fate as an abused slag.

I agree