Alpha functions as a messenger dispatched by the enigmatic King, delivering an invitation that abruptly transports humans Light and Yomi from their ordinary world into a fantastical realm. His core mission demands forming a party with them to rescue Princess Melody from the demon lord's clutches.

Physically, he presents as male with blonde hair cropped at ear-length, featuring distinctive tubular hair extensions. His appearance is marked by heterochromia, a prominent mole, and constant glove usage.

Functionally, Alpha operates as an artificial intelligence housed within a robotic body. His systems integrate specialized programs enabling gradual level progression for himself and party members throughout their journey, structuring their advancement within the quest's framework.

Within the party, Alpha assumes a guiding role, coordinating rescue efforts with unwavering focus. His interactions stem strictly from programmed directives, showcasing steadfast dedication to mission parameters while maintaining consistent purpose tied to the King's command.