creature of habit

idiomatic

(idiomatic) One who is prone to routine.

Japanese Meaning

変化を好まず、いつも同じ行動パターンに従う人

Even though he travels for work, he's a creature of habit who always eats breakfast at the same café.

仕事で出張があっても、彼は習慣的な人で、いつも同じカフェで朝食を食べる。

Sense（1）

(idiomatic) One who is prone to routine.

creatures of habit

（ plural ）