Based on available information, Jennie from Blackpink is often considered to be shy, although perhaps more social than Jisoo.
While all members of Blackpink have distinct personalities, Jennie's shyness is sometimes noted, particularly in contrast to her charismatic stage presence. The reference mentions that despite experiencing anxiety and shyness, Jennie maintains a social life and friendships. This suggests that while shyness might be a part of her personality, it doesn't necessarily prevent her from being social or engaging with others.