Kanemaki Ken`ichi

A catastrophic earthquake has left Tokyo, and most of Earth for that matter, under sea level. Aika is a salvager who retrieves various remains from the watery ruins. When Aika accepts the dangerous mission to locate and retrieve the mysterious Lagu, she discovers that other dangerous parties are also interested. Source: ANN

A year later... Now that schoolgirl Chika lives at the Sakuraba residence, things have become livelier than ever. Tina is depressed, because she has to go back to the US, and Hanabishi Kaoru begins to seriously think about his future with Aoi... Source: AnimeNfo

* Based on the 11eyes — Tsumi to Batsu to Aganai no Shoujo adult PC game by developer Lass. The Red Night — it appears without warning. Real, yet unreal. A dark world which exists in an alternate dimension. The Fragments, boys and girls who have been dragged inside are being attacked by strange black knights. Why them? Just what will happen? Will an answer await them at the…