Eiyuu Densetsu – Kuro no Kiseki ~Agnes no Ryugi~

A Twitter-based slice-of-life spinoff from the Trails series' Kuro no Kiseki arc, this manga follows 16-year-old high school student Agnes Claudel as she juggles school life with her role as assistant to 24-year-old Spriggan Van Arkride. Released on Dentsuma, it offers a lighthearted look at her daily adventures as part of a promotional project.