★ Tohma Date (21)
A fourth-year university student. He is 164 cm tall, small and slender. He’s a jack-of-all-trades type who can handle just about anything but is not particularly specialized. His hobbies are parkour and camping. Although he seems lazy, he is actually quite caring. He comes from a family of sports elites and is the eldest son. Due to a significant age gap, he has taken care of his younger cousins a lot.
★ Haruto Date (17)
A second-year high school student and the captain of the judo club. He is an exceptionally talented student. Standing at 185 cm with a good build, he has bright brown short hair. His personality is cheerful and athletic, and he has a positive attitude. He is well-liked by his juniors and peers. He also practices aikido and karate. He goes by the nickname “Haru” and is fond of his cousin Tohma.
★ Natsuki Date (16)
A first-year high school student in the archery club. She is Haruto’s younger sister. Standing at 168 cm, she is a slender beauty. With straight black hair, she usually wears it in a ponytail. She is popular among girls. She has experience in naginata. Her nickname is “Natsu,” and she only opens up to her cousin Tohma, as she dislikes boys.
★ Akimi Date (17)
A first-year high school student in the kendo club. He is 183 cm tall with a slender muscular build. He is a handsome guy with black hair and glasses. He is intelligent and has a tactical mindset. He is serious and sensitive, but he listens only to what his cousin Tohma says. He goes by the nickname “Aki” and gets along well with Haruto and Natsuki.