Kannazuki no Miko Temporada 1 Episódio 1

Chikane and Himeko share the same birthday and its rapidly approaching. On the day of their birthday, the Orochi are awakened and at first Sōma attacks Himeko who is the Solar Priestess. Eventually, he comes to his senses and is able to fight back against another one of the Orochi, the Second Neck, Sister Miyako. Chikane and Himeko share a kiss.