Tsuki wa Higashi ni Hi wa Nishi ni: Operation Sanctuary

Tsuki wa Higashi ni Hi wa Nishi ni: Operation Sanctuary (月は東に日は西に -Operation Sanctuary-) is a Japanese eroge by August released in 2003 for Windows. It is known in short as Hanihani (はにはに). The Dreamcast and PlayStation 2 versions were released by Alchemist in 2004. An anime adaptation was shown in Japan during summer 2004. The title references a haiku by Yosa Buson: "Nanohana ya tsuki wa higashi ni hi wa nishi ni."

The PC version of the game was created using the NScripter visual novel engine.

Characters

 * Naoki Kuzumi–Protagonist of this title. He lost his parents and memory 5 years ago due to a certain accident.
 * Mikoto Amagasaki–A girl who has fallen from the sky. Naoki thinks its a day dream. Mikoto is from the future, 100 years later.
 * Honami Fujieda–Naoki's childhood friend. She has been taking care of him before he lost his parents and memory.
 * Matsuri Shibugaki–Naoki's cousin. She and her parents have been living with him for 5 years. She is quite close to Chihiro.
 * Chihiro Tachibana–Matsuri's best friend and her classmate. She becomes a member of the garden club alone.
 * Yui Nonohara–Naoki's homeroom teacher. Because her height is very low, students love her. Yui, like Mikoto, is from the future, 100 years later.
 * Kyouko Nishina–Young female nurse of school. She is Yui's best friend. Like Mikoto and Yui, she is also from the future, 100 years later.
 * Fumio Akiyama–Naoki's class representative. And she is also a superintendent of the student dormitory.
 * Yusuke Amagasaki–Mikoto's brother who became separation and looked much like Naoki.
 * Koji Hirose–Naoki's best friend. He is aiming at rebuilding an astronomical club that Naoki belongs to.
 * Yuka Hirose–Additional character of consumer version. Koji's younger sister.
 * Genzou Shibugaki–Matsuri's father. He works at a certain trading company and he is very busy. Naoki calls him "Oyaji(Dad)".
 * Eri Shibugaki–Matsuri's mother. She works at the company that Genzou works at and she is also very busy. Naoki calls her "Eri-san".
 * Jun'ichi Fukano–Mathematics teacher. He teaches students strictly, but in fact, he loves them.
 * Rei Usami–Chief director of the school. She rarely shows up in front of students. She is also from the future, 100 years later

Game

 * Character design: Bekkanko
 * Scenario: Taku Sakakibara, Hiroyuki Uchida, Hideaki Anzai
 * Music: LOOPCUBE
 * Opening: divergent flow
 * :Lyrics: H/de.
 * :Music: Hiroki
 * :Vocal: Mayu
 * Ending: Asu no Omoide (Memories of Tomorrow)
 * :Lyrics: H/de.
 * :Music: Hiroki
 * :Vocal: Mayu

Anime

 * General director: Mitsuhiro Tōgō
 * Director: Shousei Jinno
 * Character design: Norikatsu Nakano
 * General key animation director: Norikatsu Nakano
 * Art director: Shinji Katahira
 * Scenario: Kazuharu Satō, Tsutomu Kaneko
 * Music: Akufumi Tada
 * Opening: amulet
 * :Lyrics: a.k.a.dRESS
 * :Music: a.k.a.dRESS
 * :Vocal: Mayumi Iizuka
 * Animation production: RADIX