Kogetsu

"Next, the most popular, all-purpose blade: The Kogetsu, "Arc Moon"."

- Shiori Usami

The Kogetsu (弧月) is a White Trigger.

Appearance
Kogetsu's appearance is similar to that of a katana, with a blade made of trion.

Abilities
Unlike most Attacker triggers, Kogetsu cannot shapeshift; however, its blade can be temporarily extended by combining it with the Optional Trigger Senkū.