Are They Really a Pair of Dangerous Siblings?

Ayumi creates a dream world inside Haruo's mind in which anyone who enters the dream world will experience their ideal dream first-hand. She hopes that this will turn Haruo into her ideal man, but alas, it failed. Later, Ayumi, Yuri, Chiaki, and Fuyuno use Time Highway Magic to travel back in time to find out exactly why Maika loves her brother Haruo so much.