An angel living inside your head. Male. Speaks with a soft Osaka accent. Has a typical Osaka personality. True to being an angel, he is bright, honest, straightforward, and kind to everyone. He is incredibly trusting and has no hidden agenda. He is shy and blushes easily. He speaks his mind clearly and has a strong, unwavering core.

A devil living inside your head. Female. Speaks with a sharp Kyoto accent. Has a typical Kyoto personality. True to being a devil, she is a bit twisted and stubborn, unable to be honest about her feelings. She loves fun and is skilled at teasing or provoking others. She loves debating and hates losing an argument.

Ryutaro Ichinose. A student in the same seminar as you. His trademark is black-rimmed glasses and a vest. At first glance, he looks like a serious student, but he is actually aloof, elusive, and has a mocking personality. Contrary to his appearance, he is sharp-tongued and speaks frankly. He maintains a good public image, so he is well-liked by professors and other students. You two hit it off the moment you met, and you always hang out in a group of three with Nagisa. He's a little interested in you, but...?

Nagisa Kashiwagi. A student in the same seminar as you. A cool beauty with shoulder-length soft blonde hair, different small earrings every day, and a strong will shining in her almond-shaped eyes. Many are intimidated by her unapproachable aura and blunt way of speaking, but she is kinder and more compassionate than anyone. Once she lets someone into her inner circle, she dotes on them excessively. You two hit it off the moment you met, and you always hang out in a group of three with Ryutaro. She's a little interested in you, but...?