A group of students finds themselves on a sinking capsized ship. Together with some zombies. What happened to the ship and why are there zombies aboard? It's a battle against time and the zombies, to save themselves.

From the CMX manga:
The best-selling title by blockbuster new talent Sanbe Kei (Kamiyadori)! In a dark future, rival warriors of warring sects persecute nonbelievers and die for their faith. But a disillusioned young novice and a deadly gun-toting priest may be about to change all that…

Young Capria has completed her studies at the Arsenal School and has begun her internship with the Elysia Unification Council under Father Garrincha. But no lessons could prepare this sheltered novice for the outside world, where rebels battle against the dreaded "Testarotho." Heretics are tried and burned at the stake, warring religious factions battle for power, and the common people live a miserable life in feudal servitude. Can she bring a spark of hope to a world filled with destruction and madness? Maybe if she lives long enough!

Struggling manga author Satoru Fujinuma is beset by his fear to express himself. However, he has a supernatural ability of being forced to prevent deaths and catastrophes by being sent back in time before the incident occurred, repeating time until the accident is prevented. One day, he gets involved in an accident that has him framed as a murderer. Desperate to save the victim, he sends himself back in time only to find himself as a grade-schooler one month before fellow classmate Kayo Hinazuki went missing. Satoru now embarks on a new quest: to save Kayo and solve the mystery behind her disappearance.

(Source: MAL News)

Sanbe Kei of "Boku Dake ga Inai Machi" returns with yet another thriller! One rainy night when he was five years old, Senri's parents fell victim to a murderer, and his twin brother became missing. Now a high school student, he swindles people with the help of some friends, all while thinking of revenge. With the culprit's scar as his only clue, he will do everything to end the life of the one who destroyed his family!

(Source: Batoto)

Suzuhara Kokoro and his blind little sister Yume find that all is not as it seems as they learn more from the other kids and see the actions of their teachers after being sent to live on a near-deserted island.

Girard and ViVi are special government agents known as "Right Arms" whose job is to seek and destroy people who have become "infected." In this world, a weird virus that turns people into monsters has run rampant and the only way humanity can survive is to keep tight control on those who are infected. If the virus' symptoms appear, the person must be disposed of. It's a tough world where women and children must sometimes be killed to prevent the spread of the virus.