Two matches where one side owns the clearer mechanism: in Suwon a serve-and-receive gap, in Akita a defensive gap. Both favourites have a named, current cause behind them rather than just a better record.
Hyundai E&C Hillstate is winless this season, with sets at 1-6, and its coach said after the last game that the reception was very shaky and the team could not hold up against strong serves aimed at its two main hitters. A middle blocker has also retired. GS Caltex has a deeper attack spread across Silva, Tanacha and Kwon Min-ji and a setter praised for distribution, and it won 3-0 here in the Cup and 8 of the last 10 meetings. Even a stolen set still leaves a 3-1 result, so I'm siding with GS Caltex to win by a clear set margin.
In Akita, the home side has lost five straight and conceded over 100 in each of its November games. Reed Travis is out until December by official club notice. Ibaraki Robots hold opponents to about 75 a game, shoot free throws far better, and have a settled starting five with no injury news. Akita can get hot from three, but the defensive gap is the more reliable thing. That's why I'm siding with the Ibaraki Robots to win away.