No. 1 Attacker: Kei Tachikawa

Short Summary
''Jin begins to fight the personnel sent after Yūma, particularly his rival Tachikawa. Meanwhile, Shiori starts explaining Yūma and Osamu about Border's triggers and Jin and Tachikawa's rivalry.''

Adapted From

 * Chapter 26
 * Chapter 27

Differences Between the Anime and Manga

 * The scene when Jin decapitated Kikuchihara was censored in the anime, despite it not being his real body.