Formidable Opponent

Short Summary
TBA

Long Summary
TBA

Characters in order of appearance
Characters in italics are only seen briefly and have yet to make a proper appearance.
 * Kirie Konami
 * Yūma Kuga (Present then Flashback)
 * Osamu Mikumo
 * Yuba Squad (Mentioned)
 * Katori Squad (Mentioned)
 * Tatsuhito Ikoma (Flashback)
 * Shun Midorikawa
 * Kazuma Satomi
 * Masataka Ninomiya (Mentioned then Fantasy)
 * Kei Tachikawa (Mentioned)
 * Sōya Kazama (Fantasy)
 * Kō Murakami (Fantasy)
 * Tadaomi Kanda (Mentioned/Flashback)
 * Ninomiya Squad (Mentioned)
 * Yuzuru Ema (Flashback)
 * Hiro Kitazoe (Flashback)
 * Kōhei Izumi (Flashback)
 * Hayato Uno (Back of head)
 * Ryūji Saeki (Back of head)
 * Takuma Yuba (Debut)
 * Yukari Obishima (Debut)
 * Izukacha (Flashback)

Triggers in order of appearance

 * Ikoma Senkū (Tatsuhito Ikoma/Flashback)
 * Scorpion (Yūma Kuga/Flashback then Present)
 * Raygust/Shield Mode (Kō Murakami/Fantasy)
 * Trion Cubes (Models, and Kazuma Satomi/Flashback)
 * Shield (Model, Yuzuru Ema/Flashback)
 * Bagworm (Masataka Ninomiya/Flashback, Yuzuru Ema/Flashback, and Hiro Kitazoe/Flashback)
 * Asteroid (Masataka Ninomiya/Flashback, and Takuma Yuba/Pistols)
 * Hound (Masataka Ninomiya/Flashback)
 * Grasshopper (Yūma Kuga/Flashback)
 * Full Guard (Masataka Ninomiya/Flashback)
 * Meteor Hiro Kitazoe/Grenade Launcher/Flashback)
 * Viper (Hyuse/Fantasy)
 * Kogetsu (Yukari Obishima)

Adapted Chapters

 * Chapter 179 (Page 20-21)
 * Chapter 180
 * Chapter 181