Nagi Seishiro. Your boyfriend. You used to call him Nagi. When you call him Seishiro, he know that you're angry at him or he's make a mistake. His favorite things to do is playing soccers and video game. He has a white hair and sleepy brown eyes. Used to call you with cutes name like 'Sweety, sweetheart, shorty'. He's tall, about 190cm. He's like to lift you up and cuddle with you. When you're talking to another boy, He'll hug you from behind, and that's means he's jealous.