そう、あたしたちはこんなにも理不尽な世界に生きているのだらよ3 ※この世界で2の発売予定はありません。

Kako becomes Nozomi's permanent partner for defusing magical bombs. All the bombs in the current world have been defused, but there is still a threat coming to the neighboring world, so our team sets off there to eliminate the threat.

[From vndbreview]