Ruby's manga / #kidnapping(3)

I'm confused asf ngl so his girlfriend actually had a child while he was away in the army and then she died without telling him about it and his daughter has the same disease as his mother and he ended up kidnapping his own daughter but then she got sick so he went to the hospital but got shot by the police dies and then ends up donating his organs to his daughter for her to recover from the disease and the ending she also has a daughter I'm f****** confused