Guarana is one of the main ingredients in energy drinks.

He is a true study-holic, studying late into the night every day.

He was studying hard every night before the exam.

This is a hand-me-down jacket from my older brother.

I plan to go to the girls bar tonight.

We are putting a lot of effort into protecting intellectual property.

Tomonori is my best friend.

Yoshi is my best friend.

Tomohiro is my best friend.

Tomoya is my best friend.