Kazura visits the Magahara estate looking for answers only to be roped into attending an elaborate party, and with Mizuki off training and Shizuku entertaining relatives, she must look to her grudge-bearing sister to rescue her.
The school-wide chase for Kazura ends and the truth behind why Shizuku Magahara started it is revealed, and with the secret out, Kazura and Mizuki are getting closer and both become optimistic about Kazura's ability to heal Mizuki.
High school student Hotaru Yanagawa wants to become a police officer and spends all her free time studying toward that goal; but when her secret agent mentor is kidnapped, she tosses aside the books and sets out to find his captors and free him.