Attack on Titan: Since That Day - Recommendations

Alt title: Shingeki no Kyojin: Since That Day

If you're looking for manga similar to Attack on Titan: Since That Day, you might like these titles.

Attack on Titan: No Regrets

Attack on Titan: No Regrets

The young Erwin Smith is a rising star in the Survey Corps, humanity’s only hope of defeating the man-eating monsters known as Titans. Ruthless and dispassionate, Erwin’s mind is devoted to strategies and intrigue. But beneath Erwin’s feet is another world, the Underground, where humans are born and die surrounded by the garbage the Capital throws away. Here, the criminal Levi survives on his wits and agility. But when these two ambitious men cross paths, who will prove himself stronger?

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Attack on Titan

Attack on Titan

Over a century ago, mankind was devoured by giant beings of unknown intelligence and origin known as Titans – creatures that eat humans alive indiscriminately and for no apparent reason. The remaining population has managed to survive the last hundred years only by building a multi-walled city capable of keeping the Titans at bay, training military recruits to patrol the perimeter and gather intelligence about their mysterious foe. Eren and Mikasa have lived a relatively peaceful life behind the city's walls, but when a massive Titan appears, smashing the outer barrier and unleashing a wave of terror, their lives are brutally changed forever...

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Kuusou Kagaku Edison

Kuusou Kagaku Edison

In the holy land of Nostralgia, isolation is the norm. Surrounded by a towering wall and a waterfall, its citizens are forbidden to try to climb the waterfall, for only demons live outside and leaving will bring a great calamity. Milo is a talented machinist who lives in Nostralgia and pines for her fiancé, Albert, who broke the law and escaped to the outside world years ago. She longs to find him someday, and when she finds a strange machine in the water that says its name is Edison, it seems that Milo finally has her chance...

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The Promised Neverland

The Promised Neverland

Emma, Norman, Ray, and many other "siblings" live at an isolated orphanage cut off from the outside world. They live a charmed life surrounded by friends and watched over by Mama, their caretaker, until they leave the house for a foster family by the age of twelve. The only rule is that they must never venture outside of the gate that isolates them from the rest of society, for dangers await. But one day, the children learn the true horror of what's in store for their short lives... 

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Patema Inverted: Another Side

Patema Inverted: Another Side

A floating ring has been passed down through Mikko's family for generations. Her grampa told her that the ring bears a promise of reuniting with lost ones who departed to the "other world." Mikko explores her world -- an endless network of tunnels -- in hopes of finding the "other world" one day...

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Berserk: The Flame Dragon Knight (Light Novel)

Berserk: The Flame Dragon Knight (Light Novel)

The Flame Dragon Knight traces the rise of the warhammer-wielding warrior Grunbeld from humble beginnings to become the all-powerful Apostle who will one day face Guts in mortal combat!

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Distant Sky

Distant Sky

A boy wakes up in an unfamiliar place. All he remembers was nodding off in class, but what faces him now is widespread death and destruction in the city of Seoul. The landscape is destroyed, bodies line the streets, flesh-eating bugs lurk in the shadows, and a perpetual night blankets the area in darkness. After finding another survivor, he and the girl traverse the cityscape where they struggle to find food, try to avoid all variety of monsters that seek to hurt them, and hope to discover the truth about what caused this collapse of society.

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KoLD8: King of the Living Dead

KoLD8: King of the Living Dead

Zombies occupied Japan in only a month. To avoid being infected by zombies, Eito Hasaba, along with his mother and younger sister, head for a "sector," a blockaded safe zone. But soon after their arrival, Eito gets seriously injured during a disagreement and is thrown out of the sector. With his consciousness dimming, Eito sees a pack of zombies coming and resigns himself to his fate. But what does he discover when he wakes up? A story of a living dead anti-hero begins.

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Koi no Kamisama

Koi no Kamisama

For the last 400 years, an island has been completely surrounded by walls, isolated from the rest of the world. Aira and Marue have always dreamed of voyaging outside the walls, where lies a devastating truth unbeknownst to them.

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Children of the Whales

Children of the Whales

Floating on an endless sea of sand, an isolated civilization resides on an island-like vessel known as the Mud Whale. The lives of many of its citizens are short, due to a power they wield called "thymia", and they have very little knowledge of the lands beyond their desert home. Young archivist Chakuro wants to acquire as much knowledge as he can in his short lifetime to pass on to future generations, and an opportunity for him to learn more arises when a lone girl is discovered living alone on a similar vessel. She is the first human being the people of the Mud Whale have ever seen, and she possesses a great deal of information that they do not- about the outside world and even the secrets of the Mud Whale itself. With her arrival, everything in their world begins to change.

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