He underwent organ transplant surgery.

Christmas is a time when I look forward to gifting and receiving presents with family and friends.

I gift and receive presents with my family and friends on Christmas.

Katsuzo is my best friend.

He modified his old car so much that it became unrecognizably cool.

Matazo is my best friend.

Sanzo is my best friend.

Yousan is my best friend.

Eating zōni with family on New Year's morning is a Japanese tradition.

Yusuke is my best friend.