Taito Ban

A large spaceship appears over Tokyo three years before the story starts. A one-sided war against the seemingly harmless aliens ensues, sparking controversy and pacifism. Despite this unique and tragic event, high school girls Koyama Kadode and Nakagawa Ouran behave as if nothing has changed. They live their days like they always have. The focus of this story is not the alien invasion, but human nature, dialogue, growing up, and life.

In a world where hunters, humans who possess magical abilities, must battle deadly monsters to protect the human race from certain annihilation, a notoriously weak hunter named Sung Jinwoo finds himself in a seemingly endless struggle for survival. One day, after narrowly surviving an overwhelmingly powerful double dungeon that nearly wipes out his entire party, a mysterious program called the System chooses him as its sole player and in turn, gives him the extremely rare ability to level up in strength, possibly beyond any known limits. Jinwoo then sets out on a journey as he fights against all kinds of enemies, both man and monster, to discover the secrets of the dungeons and the true source of his powers.

The OVA, bundled with the special edition version of the seventh manga volume, will tell an "other side" story centered on Mafuyu Satou and Ritsuka Uenoyama that wasn't featured in the Given movie

The rigorous city life of China, while bustling and unforgiving, contains the everlasting memories of days past. Three stories told in three different cities, follow the loss of youth and the daunting realization of adulthood. Though reality may seem ever changing, unchangeable are the short-lived moments of one's childhood days. A plentiful bowl of noodles, the beauty of family and the trials of first love endure the inevitable flow of time, as three different characters explore the strength of bonds and the warmth of cherished memories. Within the disorder of the present world, witness these quaint stories recognize the comfort of the past, and attempt to revive the neglected flavors of youth.