Atsu wa Natsui

 is the first digital single released by Houkago Princess. It was released on August 13, 2013.

Tracklist

 * 1) Atsu wa Natsui (アツはナツい)

Featured Members

 * 1st Gen: Odagiri Nana, Noda Hitomi(Last)
 * 2.5 gen: Miyashita Mayuka
 * 3rd gen: Sakuragi Nene, Yamaguchi Miran, Shiraishi Rika, Ayase Miho
 * 4th gen: Kizuki Saori, Hayamizu Rin, Yamakawa Risa
 * 5th gen Cadets: Sakurai Riho, Nagasawa Marina, Fukuhara Kyoka