第 5 集: 天上咲良向拉拉發起選美比賽挑戰，並綁架梨斗作為誘餌。

5

A pretty, rich girl named Saki Tenjouin comes back to school and finds that all the boys prefer Lala over herself, which angers her greatly. She gives Lala a letter challenging her to a beauty contest, and, to make sure she shows up, kidnaps Rito as bait. He is warned by Saki that if Lala fails to show up in time, he will be forced to touch Saki's breasts in front of the entire school. Lala eventually shows up, but Bow-Bow Doggie-Kun, a dog-like robot created by Lala, rips off Saki's swimsuit, exposing her naked body to everyone and making her run away out of shame. Later, Saki catches the word that Lala might have a great secret, so she goes undercover to Rito’s house in order to find out and reveal the secret as payback for her humiliation. However, she triggers a bunch of traps around the house (which were placed by Zastin) and falls into a trapdoor that leads her to Rito's room. There, Saki accidentally hits a switch (which was also placed by Zastin) that ejects the room into space, with her and Lala inside. With the two of them sent flying off towards space, Zastin and his men take off in pursuit, only to be inadvertently shot down by Lala, which causes Saki to fall off the room, but Lala dives out and manages to save Saki, who, despite being deeply touched by this act of altruism, passes out. Shortly after, Saki wakes up to find herself fully naked in front of a crowd of people; Bow-Bow Doggie-Kun has ripped off all her clothes while she was unconscious. Publicly embarrassed, Saki once again blames Lala, who is flying around the city looking for her. (Source: Wikipedia)