I thought that sign in the last panel was some spicky haired dude eyeing them (printed in the sign, not a real person) Turns out it is the same car sign shown previously.
I think she lost. She took a direct hit to the head in the last fight. Still it is pretty impressive that she have been beating everybody until the finals solo. If there is any talent scout there I think they should go after her.
As I mentioned before Tsukushi feeds not on the suffering of his characters, he feeds on the suffering of the public. He have been reposting lots of cute Nanachi fanart on twitter for maximum emotional damage. "look! cute Nanachi eating! Cute Nanachi feeding koi fish! Cute Nanachi playing with...
The problem was that the other girl went overboard. Many of the bad ends were caused due to the character going greedy and going overboard instead of being satisfied with the already miraculous things Fran did.
This is waseigo, in other words, Japan-made words created using foreign words. ベビーカー (bebī kā) baby car. Translator just saw the katakana word made by English words and made a direct translation.
The funny thing is that in Japan he would be the one standing out. Short and petite adult women are pretty common but big and muscular guys like him are pretty rare. Basically women like her are more common than tall lean guys and those are much more common than tall beefy guys.