So I'm A Spider So What (Manga) Vol 13

In the midst of an ancient ruin (that look more like a spaceship than a ruin) our party boldly makes their way!! But, uhh, we make have accidentally awakened a weapon from the distant past...or would it be future? I mean, it does look like a UFO...Agh, not another last boss fight!! Yen Press
(W) Okina Baba (A) Asahiro Kakashi