Angel By Your Side

Twins Alec and Electra were born 15 years ago, but Electra died an hour after birth. Alec has been raised as an only child with Electra watching from heaven, however, he gets in with the wrong crowd. Electra saves him from overdosing by switching bodies so Alec can heal. What will happen when they need to switch back? Will they be able to? Will they ever get to interact as siblings, or just guardian angel and human?