For details, see: http://blog.livedoor.jp/nizigami/archives/34497686.html
- Content extracted from 2ch's ymag board, TLRD discussion chain, part 272, 464th reply.
English translation: http://www.animenewsnetwork.com/news/2013-11-29/to-love-ru-darkness-manga-gets-vita-harem-game-by-furyu
Edit: see To Love-Ru:Battle Ecstasy for further details (The page not yet wikify)