RIP dreamy dude, you won't be missed.
Did she kill the other Adventurer to keep all the money to herself? Or did they split up and he just poorly managed his resources and died of dehydration?
I'd say the latter, given how they are drawn, most likely both ran out of supplies and the 1 who still can move, in this case the girl, take what is left from the guy and running back up, accidentally in same time as the floor to 10th floor added.
And lmao, modern way to push woman propaganda to man. Spread BS, woman want this or that, love this or that, expect this or that FROM a MAN, you have a SHAPE OF MAN.