Tris

Tris (トリス) is a mysterious creature that bestowed Ryuuhei and his friends the ability "Knocker Up (ノッカーアップ)."

Appearance
Tris is a mysterious creature. They have cat-like ears and long, blonde hair with bangs. their eyes are green with orange pupils.

Personality
Unknown

Knocker Up (ノッカーアップ)
Tris has bestowed this ability upon Ryuuhei and his friends