High School DxD BorN Episode 7: The Night Before Battle!
Episode 7 of 12 of High School DxD BorN, aired May 16, 2015, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Diodora continues to pester sweet Asia as the Rating Game approaches. Issei and the others prepare for battle as dark things brew in the background. When the Gremory household jumps to the field, they find themselves in an unexpected battle!