To Love Ru s02e02
Titre original : Those Warped into the Midst of Darkness
Lala accidentally drops all her gadgets at school. As Rito tries to keep Haruna away from Lala's dangerous gadgets Rito and Haruna accidentally activate the warp ring sending both of them to an unknown location naked. Haruna and Rito talk about their pasts but are discovered by Mikado-sensei before they can become closer, as the unknown location was in the basement at her clinic.
Haruko, Mikan's teacher, wants to visit Saibai (Mikan and Rito's dad) because she is a fan of his manga. Due to a new deadline, Saibai is unable to visit. Lala dresses Rito up as Saibai to meet with Haruko, but Rito is too nervous. Lala feeds him a relaxing drug that accidentally gets him drunk and he ends up embarrassing both Haruko and Mikan.
Lala invites Haruna and Yami to a sleepover party. After a big dinner Rito decides to take a bath. However, Lala, who does not know Rito is in the bath, enlarges the bathroom so all the girls can bathe together (with Rito still inside). Although the enlarged bathroom is large enough for Rito to hide from the girls, Peke accidentally deactivates Lala's controller restoring the bathroom to its original size with Rito and the girls all naked together in the bath. Yami, who believes Rito is being perverted, chases him.