A collection of 4-koma comic of the Xenogears game by various authors.

Daichi Taira and Sosogu Hoshifuri were as close as anyone could get as children. Together, they made a promise that when they got older, they would live together and get married. But Sosogu moved far away one day, and he never saw her again. A couple of years later, Daichi is a regular teen living a humdrum life. Not even his parents leaving for an overseas trip can change that. Just before the pair can get out the door, his mother gives him a bit of advice among the usual warnings: "Take care of Sosogu". Unfortunately, he cannot exactly remember who or what Sosogu is...

(Source: MU)

The story centres on Kiriko, Black Jack's nemesis who specializes in euthanasia.

Set in Ibaraki, our protagonist is oppressed at home by his in-law family, and constantly bullied at school by his former best friends. His only friend is his pet dog, Iggy, who was rescued just before he was about to be euthanized.

Can "unwanted pets" like them survive the ZQN panic...!?