取とり仕し切きる

godan verb (-ru), transitive verb

manage (all by oneself); take charge of; run

Implies one person or a small group handles everything, often with authority and responsibility. Used for events, projects, or organizations.

• 彼かの女じょが一人ひとりでイベントを取とり仕し切きった。

  She managed the event all by herself.

• 父ちちは会かい社しゃの経けい理りを取とり仕し切きっている。

  My father is in charge of the company's accounting.