The Future Moves Forward

Short Summary
''Shiori finishes her explaination about Border's Triggers by explaining Optional Triggers. Meanwhile, the battle between Jin & Arashiyama Unit versus HQ's top teams wraps up with Jin's side being victorious. However, to make sure Yūma is not further attacked, he gives Kido Fūjin in exchange for Yūma to be accepted into Border.''

Adapted From

 * Chapter 30
 * Chapter 31
 * Chapter 32

Differences Between the Anime and Manga

 * In the manga, Shiori doesn't explain about Optional Triggers, only Attacker and Gunner/Shooter triggers.