Ultraman: I Only Want to Protect You

Isn't the cover featuring the Black God and the White God from Kamen Rider Agito?

I seem to have read this book elsewhere?

Commentary on Chapter 56: Electronic Optical Flow (fourth update, please subscribe for the first time) in "Ultra: I Just Want to Protect You" written by Kazuyo Chihaku.

Commentary on Chapter 53: TPC Meeting (first update, please subscribe) in "Ultra: I Just Want to Protect You" written by Kazuyo Chihaku.

Commentary on Chapter 55: Kuroshima (3rd update, please order first) in "Ultra: I Just Want to Protect You" written by Kazuyo Chihaku.

When Dagu thought about the past in the parallel world, did he think of Lina?