So I'm A Spider So What (Manga) Vol 08

The head honcho. The last boss. The final encounter... At long last, it's time for the finale between me and my greatest rival, earth dragon Araba. I trained like a mad spider. I planned for every outcome. And in the end, all that's left is-the execution. When this showdown's over and done with, only one of us will remain... For readers ages 13 and up. Yen Press
(W) Okina Baba (A/Ca) Asahiro Kakashi