Related games 0verflow developed several visual novels related to
School Days, sharing the same universe. Prior to the development of
School Days, 0verflow developed the
Radish Vacation visual novel series. The first was
Snow Radish Vacation released on December 28, 2001, followed by
Summer Radish Vacation on April 1, 2003, and finally
Summer Radish Vacation 2 on August 13, 2004. A prequel titled
Summer Days, was released on June 23, 2006, retelling the original game during summer vacation and from the perspective of Setsuna Kiyoura. However, unlike its predecessor,
Summer Days was almost universally panned for its heavily bugged state, loads of patches, and recall. Another spin-off titled
Cross Days was released on March 19, 2010. Set in the same continuity as
School Days,
Cross Days follows the life of another protagonist, Yuuki Ashikaga, a high school freshman who also finds himself caught between the affection of two girls, Roka Kitsuregawa and Kotonoha Katsura, during his second term at Sakakino Academy. The game also features
yaoi scenarios, during which Yuuki
cross-dresses as a maid. 0verflow released
Shiny Days on February 2, 2012, which is a remastered version of
Summer Days with a new heroine and higher quality animations. A spin-off,
Island Days, was developed for the
Nintendo 3DS and was released in Japan on July 3, 2014. The game, developed by Klon, focuses on Makoto and the girls becoming trapped on a remote island and includes
tower defense elements.
Manga Based on the story of the original game,
School Days was reimagined as a
manga, illustrated by Homare Sakazuki and serialized in the
Kadokawa Shoten magazine
Comp Ace from May 26, 2006 to September 26, 2007. On July 12, 2007, 0verflow announced that the manga had been collected into its first volume, comprising five chapters set to be released on July 24. Later that year, the second and final volume, comprising the remaining seven chapters, was released on November 21. Various artists also produced short manga of
School Days that were compiled into two
comic anthologies. The "School Days Comic Anthology" was released by
Ohzora Publishing on October 25, 2005, under their P-mate Comics
imprint, containing nine short manga by individual artists. On February 25, 2008,
Ichijinsha printed the "School Days Kotonoha Anthology" under their DNA Media Comics imprint, a collection of manga primarily featuring the character Kotonoha Katsura.
Books and publications In addition to the manga,
School Days was adapted into other print media. The first of these was the "School Days Visual Guide Book" published by
Jive on September 16, 2005, an
artbook of character illustrations,
model sheets,
screenplay,
storyboards, and a
visual hierarchy of the choices and corresponding scenes in the game. Separate editions for the anime television series and Playstation 2 game were also published, on December 1, 2007 and March 21, 2008, respectively. Collections of production work from the Windows game such as character and environment art, screenplay, artist commentaries and all manufactured promotional items were collected in the on December 16, 2005 and also featured in the "SummerDays & School Days Visual Collection" on August 31, 2006. The first of four
light novels, all illustrated by Junji Goto, was written by Ryuna Okada and printed by Harvest Publishing under their Harvest Novels imprint. Released on December 1, 2005, retells the original story from the perspective of Sekai. Concrete news of this first appeared on June 1, 2007, when 0verflow announced via its blog that the show's official website had gone live. Stations participating in the broadcast included
TV Kanagawa,
Chiba TV,
TV Aichi,
TV Osaka,
TV Saitama and
AT-X, the premiere of which would air on TV Kanagawa on July 3. The anime was aired until September 27 and finished its broadcast on AT-X. From September 26, 2007, to February 27, 2008, the series was compiled into six limited and regular edition
DVDs. TNK also produced two
direct-to-video (
OVA) episodes of
School Days. The first, titled "Valentine Days", was bundled with limited edition copies of
School Days L×H, and features an unrelated comedic romp through
Valentine's Day as Kotonoha, Sekai, and Otome try to give Makoto
giri chocos. The second, "Magical Heart Kokoro-chan", jaunts the series into
magical girl territory, portraying Kokoro Katsura as the superheroine Magical Heart; it was released on March 26, 2008.
Discotek Media acquired both the television series and the "Magical Heart Kokoro-chan" OVA, and released them on DVD on June 24, 2014, with English subtitles.
Delay of the finale On September 17, 2007, the day before the twelfth and final episode of the televised anime was to air on TV Kanagawa, a sixteen-year-old girl murdered her forty-five-year-old father in their
Kyoto home with an axe. TV Kanagawa promptly cancelled the Tuesday airing of the finale for its similarly violent content, According to
Mainichi Shimbun, Chiba TV and TV Aichi had also cancelled their airings, with AT-X the only station remaining indecisive. In the following week, 0verflow announced that it had arranged for two screenings of the edited finale at the
Akihabara 3D Theater on September 27. Those wishing to attend would be required to register a seat by email, be at least 18 years old with photo ID, and bring a Windows copy of
School Days or
Summer Days. That same day AT-X announced that it had decided to air the unedited finale on September 27 and October 1. In the wake of the broadcast change, a screen capture of the
Norwegian ferry MS
Skagastøl, at the time belonging to
Fjord1 Fylkesbaatane, from the slideshow surfaced on
4chan alongside the caption "Nice boat.", a phrase which gained popularity in Japan.
Google Trends recorded a spike in "Nice Boat" searches around the third quarter of 2007 while
Yomiuri Shimbun, a Japanese newspaper, reported that "Nice boat" was the tenth most popular
Yahoo! Japan search from September 17 to September 23.
Nice Boat had become so well known that it was used in other Japanese media. The meme appeared as an
Easter egg in the first episode of
Ef: A Tale of Memories., and was parodied on February 13, 2009, when the
Kadokawa Pictures YouTube channel uploaded a short
montage of sailboats instead of the previously scheduled premiere of
The Melancholy of Haruhi-chan Suzumiya. 0verflow capitalized on the popularity of the phrase, naming their booth at Comiket 73 "Nice boat." and selling meme-inspired merchandise. TNK also paid homage to the meme in "Magical Heart Kokoro-chan", a special direct-to-video episode of the animated series.
Concert film Besides the video releases of the
School Days anime, a
concert film, the
School Days Secret Live DVD, was also produced by HOBiRECORDS. Released on June 26, 2006, in conjunction with
Summer Days, the film contains footage of a concert held on June 15, 2005 featuring the performances of
Miyuki Hashimoto,
YURIA,
rino,
yozuca* and
Minami Kuribayashi. was the first to be distributed, sharing its April 28, 2005, date with the release of the game itself. The remaining twenty-eight background scores, composed by KIRIKO/HIKO Sound, were released on July 21, officially completing the game's soundtrack. Another compilation, the "School Days Vocal Complete Album" featuring songs from
Summer Days and
Cross Days, was released on October 8, 2010. Three weeks after the premiere of the televised anime on July 25, 2007, Lantis published the
single "Innocent Blue" by DeviceHigh, a four-track disc featuring the anime opening of the same name, a disco-inspired song called Dancin' Joker, and their
instrumentals. Lantis followed with "School Days: Ending Theme+" on August 22, a sixteen-track disc containing all of the show's closing themes and background scores on September 26. In addition to music albums, six
audio dramas were also produced. "School Days Little Promise", a chronicle of Sekai and Setsuna's childhoods, was the first. Featuring music by Kiriko/Hiko Sound and Kanako Ito, Hobirecords published "Little Promise" as a two-disc set, which 0verflow scheduled for release January 27, 2006. Pre-releases were sold at Comiket 69 from December 29 to 30, 2005. Sometime afterward however, 0verflow announced that pre-released copies of Little Promise were defective, and asked customers to mail in their discs for replacements. The release was also postponed to February 24. Lantis released the remaining five dramas. "School Days Drama CD Vol. 1 Himitsu Hanazono" (ヒ・ミ・ツの花園), a merrymaking of the series six main girls, was released on August 8, 2007. A second, "School Days Drama CD Vol 2. Koi no Nou-hau" (恋のノ・ウ・ハ・ウ), was released October 24, 2007. Radio School Days was compiled into three separate albums: was released on November 21, 2007, on February 6, 2008, and on June 21.
Merchandise Considerable effort was made to market and promote
School Days before and after its release, including the sale of brand merchandise and use of incentives. Through public venues and through the company's online store, 0verflow sold brand keystraps, mousepads, phonecards, book covers, mugs, t-shirts,
dakimakura cases,
PVC figures,
lanyards, business card holders and
cosplay material such as the girls' school uniforms and plastic
dōzuki. ==Reception==