This is a plant growing in my grandpa's rooftop, and he asked me to identify it for him.
Gonna meet him tomorrow so hopefully you guys will have an answer!
thanks a lot!
Callicarpa I think Spike
Thank you Fairygirl!
Callicarpa bodinieri,. There are a lot of different species as well. Callicarpa americana and C. japonica are very similar to this one.