You don't need full armor ( bogu ) on day one. Most beginners start with basic training clothes and weapons.
A practice sword made of four bamboo slats held together by leather parts. Kendo Beginners Guide
Kendo (the "Way of the Sword") is a modern Japanese martial art descended from traditional swordsmanship (kenjutsu). It focuses on character building, discipline, and physical fitness through competitive fencing. ⚔️ Essential Gear for Beginners You don't need full armor ( bogu ) on day one
A solid wooden sword used for practicing forms ( kata ). Kendo Beginners Guide