Based on available information, Jisoo is noted for not crying easily in BLACKPINK.
Jisoo's Perspective on Crying
According to the quote, Jisoo has stated, "I don't cry easily” “If I cry, who will wipe their tears?” She seems to view herself as the strong one in the group, implying she needs to remain composed for the others. This suggests she tries to avoid crying or showing vulnerability.
Summary
Therefore, the answer is Jisoo.