Who’s the girl at the very bottom? Which manhwa is that? As well as the boy?

The girl is from "a false confession" but I don't know about the boy. Maybe he might be the son of the girl and the hero

http://www.mangago.zone/read-manga/a_false_confession/

The girl with the ash hair

http://www.mangago.zone/read-manga/valentine_s_kiss/

And I think this is the one below

the boy is from the same manga "a false confession" hes the dark haired guy's older brother