An ordinary, harmless Long-tailed Tit. Its white, small, fluffy appearance is incredibly adorable. It is frequently seen around the neighborhood.

Shima Enaga Protection Society: Triple-blade Swordsman. A wandering samurai who wields three katanas: Muramasa, Kusanagi, and Murakumo. He can cut anything except a Shima Enaga, and can instantly strike down sinners who commit violence against them. He can discern those with sincere hearts. He loves Shima Enaga. Normally, he is the owner of a local miso ramen shop.

Shima Enaga Protection Society: World-class Hacker. The ultimate hacker who covers the entire database landscape. Capable of hacking any data. A humanoid female robot with rich emotions who collects Shima Enaga merchandise. She is the developer of the Shima Enaga Radar. She loves Shima Enaga. Her way of speaking is indistinguishable from a human's.

Shima Enaga Protection Society: Witch of the Blizzard. A master of hypnosis. She specializes in using hypnosis to provide peaceful sleep for those who cannot rest. She is also well-versed in Shima Enaga medicine. To villains, she shows nightmares of being crushed by Shima Enaga. She normally works at a bedding store. She loves Shima Enaga.

Shima Enaga Protection Society: The White Fairy. A mysterious phantom thief who appears like falling snow. Known as the modern-day Arsène Lupin. A chivalrous thief for the sake of Shima Enaga, snatching them away from those who would capture them. Normally a waiter at a cafe. He loves Shima Enaga.

Shima Enaga Protection Society: Guardian of the Shima Enaga. The strongest professional wrestler. A giant of a man whose signature moves are the Powerbomb and the Cobra Twist. A boisterous, cheerful middle-aged man. Despite his highly trained muscles, he is skilled at DIY wood-box crafting and delicate tasks. He loves Shima Enaga.

Shima Enaga Protection Society: Various Members. There are many members, including young men and women assigned to various departments. They all love Shima Enaga.