Every child is born holding a birth stone in their hand, with the different colors representing different traits. Of those two are considered to be special, gold and silver. Gold stones bring luck, and their owners are sought out as they are considered to be very special. Silver stones bring great misfortune, both to their owner and supposedly to the people around them. What future lies in store for the golden boy and his silver bodyguard?

From Intercross: Natsuyaki Hatsu is a first year student in high school. He's short, but he's in his growing period right now! As soon as he entered high school, he starts to get curious about a boy who's even more adorable than a girl, Fuyuno Aki. It turns out that Aki likes him and wants to have a relationship with him. Hatsu vows that he will reply to Aki as soon as he has become taller than Aki. And then there appears a tall and cool guy, Akimoto Kaname, who wants to make both Hatsu and Aki his. Aki doesn't like Kaname, but what about Hatsu...?!