Hiroshima lost the 1st leg with 1-0, even though they were the better side on the pitch. Now they have to win this game on home soil in order to turn the tie around.
On the other hand, Kashima only need a draw to progress. However, they only took 1 win, 1 draw and 4 defeats in their last 6 away games of all events, and Hiroshima won their last 3 home games in ACL as well as in payout.
The AH line is home team (-0.75), which is in favor of the hosts. After all, the 1st leg was only -0.25 for Kashima.
All in all, we may expect the favorites to be victorious.