The boy in green - shy, smart (the glasses show he spends a lot of time reading and studying; he looks shy by the way is holding the glass and avoiding to look at the others)
The boy in black jacket- confident, conceited (he likes the people to notice him, he loves the attention, he consider himself the best)
The girl in red - sad, thinker, pessimist (she looks having problems and trying to find solutions; she dose not enjoy the time with her friends)