に入りたい

want to join; want to enroll in

→ に
phrase Rare #42,356
want to join; want to enroll in Used after the name of an organization, school, insurance plan, or similar group or system.
JA: あなたのバンドに入りたいな。
EN: I’d like to join your band.

軍隊に入りたいんです。

I want to join the military.

あなたのバンドに入りたいな。

I want to join your band.

学校に入りたいんですどんな?

I want to get into a school. What kind?

— Брат 2 (2000)

医療保険に入りたいのですが。

I would like to get health insurance.