Satoru Asahina

Saki's childhood friend. He is always energetic and full of mischief. He always argues with Saki. However, Satoru is pretty observant and smarter than most of his friends. He is also skillful in using his Force.

When he was kidnapped, Satoru was going to have intercourse with Saki but she stopped him.

When he grows older, Satoru starts to date Shun, but they later break up.

At the age of 26 he is a geneticist.

He ends up marrying Saki.
(Source: Wikipedia)