Steamy and Heart Thumping Emotions of a Traveler

Steamy and Heart Thumping Emotions of a Traveler (ドキドキ湯けむり旅情 "Dokidoki yukemuri ryojō") is the fifteenth chapter of To Love-Ru.

Summary
Rito, Lala, Haruna, and their classmates are on a bus to the seaside summer school. When they arrive, they find out that they will be having a "Dare Night." While in the room, Saruyama and a classmate are planning on peeking on the girls, and they drag Rito along with. Meanwhile, Lala asks the other girls what dare is. While they are peeking, one of the girls Saruyama and screams "Peeker." However, this is referring to the principal, not Rito and the others. During the number drawing to determine partners, Rito fantasizes about being paired with Haruna. However, Rito goes to draw a number and gets 13 (Haruna had 5). Rito does however get paired with Lala, while Saruyama gets paired with Haruna.