Three years into the war, Mahito Maki loses his mother in a tragic fire at the hospital. Shortly thereafter, his father marries Natsuko, the younger sister of Mahito's mother. They take Mahito out of Tokyo to seek refuge in his late mother's rural family home. There, Mahito is constantly taunted by a strange gray heron, who seems to have taken an interest in him. Unable to come to terms with his loss and struggling to adjust to a new life in an unfamiliar place, the boy is shocked to discover that Natsuko is pregnant. To make matters worse, the pesky heron can speak—and claims that Mahito's mother is still alive. Luring him into a mysterious tower near the residence, the heron says that Mahito can save her from death, but the boy is not easily swayed. When Natsuko disappears one day, however, Mahito watches her walk into the tower and becomes compelled to venture in to rescue her. He soon finds himself falling into another world below his, where life and death seem to be entwined. As he navigates through this foreign realm to find Natsuko, Mahito must understand what it means to live if he wants to safely return home.

Lelouch Lamperouge's dreams of destroying the Holy Britannian Empire are slowly crumbling. His sister, Nunnally, has been kidnapped by Schneizel el Britannia, and Suzaku Kururugi is ignoring his desperate pleas for assistance. The Black Knights are slowly losing faith in Lelouch as their leader, and the United Federation of Nations has declared global war on Britannia.

Having suffered numerous betrayals, a significant loss of power, and an ever-growing resentment towards Emperor Charles zi Britannia, the crippled Lelouch makes a final decision: if he can't destroy the Empire from the outside, he will take it for himself from within.

[Written by MAL Rewrite]

It's 1863, the twilight of the shogunate, and Japan is on the cusp of monumental change. The streets of the nation's capital are soaked in blood as political upheaval and rising tensions between masterless, wandering ronin and government samurai set the stage for one of the most turbulent times in Japan's history. Young orphan Nio is no stranger to the harsh realities of the world, and yet he can't help but cling to his burning passion for justice and desire to change the world for the better. One day, he crosses paths with two men who will become central figures of the coming revolution: Hijikata Toshizo and Okita Souji, two of the founding members of a group of hated ronin known as the Miburo—who would later become known as the Shinsengumi. Inspired by the efforts of the so-called "Blues Wolves of Mibu," Nio decides to join the ranks to help carve a path to the world he wishes to see. But with new betrayals and reversals every day, will Nio be able to stay true to his conscience? (Source: Kodansha USA, edited)

According to the Kuroshitsuji website, there are 6 OVAs included in the DVD releases. DVD 2: Ciel in Wonderland (Part 1) This re-imagines the cast of Kuroshitsuji II as characters in Lewis Carroll's Alice in Wonderland story. DVD 3: Welcome to the Phantomhive's This is meant to be like a simulation game. Elizabeth invites a lady (perhaps the viewer) to join her at a ball held at the Phantomhive mansion. DVD 5: The Making of Kuroshitsuji II This is a Hollywood style documentary with behind the scenes interviews with Sebastian, Ciel, Claude and Alois etc. DVD 6: Ciel in Wonderland (Part 2) This re-imagines the cast of Kuroshitsuji II as characters in Lewis Carroll's Alice in Wonderland story. DVD 8: The Tale of William the Shinigami William and Grell have to train new shinigami and reminisce about when they were training partners. DVD 9: The Spider's Intention The life in Trancy household and how those work under Alois is caring for him.