The Shard of Tesla that caused the train incident is said to contain the notes for the Tesla Coil, and could trigger similar high-damage incidents in the vicinity. Botan and Kuruma act to recover the shard and prevent that, but are watched by another duo.
Yeah... I swear to God.
.نعم...أقسم بذلك
Ja, bei Gott.
Sí… Lo juro por Dios.
Je le jure devant Dieu.
हाँ, मैं वादा करता हूँ।
Sim! Eu juro por Deus!