As a young boy, Daido suffered a congenital heart defect prior to a fatal car accident that forced his mother, Miki Daido to use her Necro-Over research to save her son while giving him bio-stimulants to age properly. But despite Daido's skill, the Necro-Over project was rejected in favor of Ryubee's Gaia Memories. Accompanied by his mother, now going by the name Maria S. Cranberry, Daido recruiting four people who recently died by converting them into less advanced Necro-Overs for the newly created mercenary group called NEVER. However, while send to take out a terrorist sect in South Asia, Daido and his group were ambushed by another of Foundation X's projects: psychic super soldiers called Quarks. While held captive, Daido developed feelings for a female Quark named Mina before he stole