![](https://cdn.animecharacters.io/images/characters/large/42142-c7f03144.jpg)
Haruka Ouma (桜満春夏)
Shu's mother. She works as a senior researcher at Sephirah Genomics, a pharmaceutical company in charge of developing a cure for the Apocalypse Virus. While a professional at work, at home she is very carefree and likes to dote on her son much to his embarrassment.