Haruka is Yotasuke&#039;s classmate and goes to the same cram school as Yatora.<br /> <br /> Haruka is particularly eccentric, he acts in a cheerful and aloof manner. He also likes to annoy and irritate his fellow cram-school students. Despite this he makes time to hang out with them, and is actually pretty friendly.<br /> <br /> (Source: Blue Period Wiki)<br /><br />