Bad Boy's Sister

Alex and his twin sister, Andra got in a fire accident that occurred in their home, leading to the death of their parents or so he thought. Luckily, he got adopted by his savior, Darwin.... Now many years later, with a foster family and a change of name, He's doing well for himself..at least to some point.
He got into grade 10 in a prestigious school..as fate would have it, his long-lost sister is also a student of the same school....but he doesn't remember her and neither does she, him.

Let's see how this play out...what more does fate have in store for the siblings...There's also the long-lost mom..