Osafune Kenny Eitarou

Kenny is a foreign exchange student from America who speaks fluent English.

Because he is calm and not afraid of anything, Kenny has become a 'toy' of the members of the Astronomy Club.

When his friends are in trouble, he is willing to share the burden with them.

Kenny has a fiancée lived in their country, Jennifer. He brings the photo of her everywhere for his lucky charm.

In the future, he delivered the theory on possible time-traveling to Sou.