The first one arrived with the 16th volume on July 4th while the second will arrive with the 17th volume on December 2nd.
They’re adapting the 49th and 50th chapters for the 16th volume release while the 17th volume will adapt the 54th and 55th chapters.
We learned previously with the to Love Ru Darkness manga that there will be two volumes of the upcoming manga series will have bundled anime releases with them.