My Santa! (いつだってＭｙサンタ！) 18 years old

In the story, a girl called Mai appears before a boy who happens to hate Christmas. As it turns out he was born on December 24 and thus was named Santa, causing him to hate the holiday. Moreover, as a child, he never had any festive occasions, such as birthday parties. With the power of Christmas, Mai is given the mission to improve his luck and change his views for the better.

Credits

My Santa! Cast

Name	Character
Yū Kobayashi She was 23, now 42 years old
Saeko Chiba She was 28, now 46 years old
Aya Hirano She was 18, now 36 years old

My Santa! Crew

Name	Department
Shoichi Sato as Screenplay. He was 58 (now 76) years old	Writing