Much to Kiyo's dismay, Kuroboshi and Alshu begin attending her school, and of course, Kuroboshi becomes an immediate hit with all the young female students. Kiyo's not the only one annoyed with the new arrival, though. Another student, Fujiwara, doesn't like sharing the spotlight and challanges Kiyo to a tennis match. If Kiyo loses...Kuroboshi has to leave! Problem solved, right? But when Kiyo realizes her feelings for Kuroboshi might be stronger than she first thought, she becomes determined to win the match!