Mika and Krul were really close and one day she told him she had a daughter named Kri, She told him she was going to die and asked him to protect her she was underneath the castle in a deep sleep and if she is taken out of the room she will awaken, but she told him not to let Fedrid get hold of her,
\\2 Months later//
Krul had died saving Mika, and gurren had been taken, Mika had joined forces with the demon army to get gurren back and to find Kri as well..........( Sorry it was so short, Just remember this is the intro it's only explaining a bit to you )