sort of military special operations, being experts in various weapons from handguns to rifles, and even explosives and rocket propelled weapons, carrying all their weapons in their backpacks. They appear in the first episode locked in a battle against an invading alien on board a stricken military transport plane, before they detonate the plane and bail out with their parachutes. Rara Hinagiku is the twin sister of Ruru Hinagiku. Ui Chigusa and her twin sister Koi Chigusa run a veterinary clinic. They request the aid of the Futaba Detective Agency to track down a missing dog. Koi Chigusa is the twin sister of Ui Chigusa. Ai Momoi and her twin sister Mai Momoi were once classmates with Rentarō and had a relationship with him similar to his current relationship with the Shirogane twins. Since their school days, they have had a falling out, both with Rentarō and with each other. Mai Momoi is the twin sister of Ai Momoi. Video game A video game adaptation for PlayStation 2 titled was released by Marvelous Interactive on June 23, 2005. Music Opening Theme "New World" by Bae Yumi (배유미) (of M.I.L.K) Ending Theme "Bokura no Jikan" (ぼくらの時間) by eufonius Episode list References External links ufotable's official Futakoi Alternative website Starchild's official Futakoi Alternative website Marvelous Interactive's website for Futakoi Alternative: Koi to Shoujo to Machinegun 2005 video games PlayStation 2 games PlayStation 2-only games Action anime and manga Dengeki Comics Dengeki G's Magazine Mystery anime and manga Ufotable Japan-exclusive video games Anime series Shōnen manga Video games developed in Japan