In a rural village called Hinamizawa, a young man named Maebara Keiichi lives a happy life... until he learns about gruesome murders that occurred in the village during the Showa period. This series of mysterious deaths seemed to be related to something known as "Oyashiro-sama's curse"...

Art : Suzuragi Karin / 鈴羅木かりん
Original story, editing : Ryukishi07 / 竜騎士07
ISBN.10 : 4.757.51590.1
ISBN.13 : 978.4.757.51590.1
Release : 2006.01.22

Two more casualties have appeared this year in line with the series of mysterious deaths known as "Oyashiro-sama's Curse"... Do his friends have any relationship to this incident? Overtaken by his suspicions, the fearful protagonist Keiichi attacks them one after another.

Art : Suzuragi Karin / 鈴羅木かりん
Original story, editing : Ryukishi07 / 竜騎士07
ISBN.10 : 4.757.51704.1
ISBN.13 : 978.4.757.51704.2
Release : 2006.06.22

During summer of the 58^th year of the Showa period, a young man who has just moved into Hinamizawa, Maebara Keiichi, enjoys a happy life with his new friend Sonozaki Mion. One day, he finds out about a series of mysterious deaths where "one person dies and another person disappears" each year on the day of the village festival. Is it a plot? An accident? ...or a curse??

Art : Houjyou Yutori / 方條ゆとり
Original story, editing : Ryukishi07 / 竜騎士07
ISBN.10 : 4.757.51591.X
ISBN.13 : 978.4.757.51591.8
Release : 2006.01.22

On the day of the Watanagashi festival, Keiichi's group violated taboo as they broke into the festival equipment storage room, believed to be sacred, without permission in order to satisfy their curiosity. The action was followed by a jump in the number of unfortunate events in the village, events that occurred with no known reason whatsoever. It is now the fifth year of terror, the serial mutilation murders, and Oyashiro-sama's curse...

Art : Houjyou Yutori / 方條ゆとり
Original story, editing : Ryukishi07 / 竜騎士07
ISBN.10 : 4.757.51710.6
ISBN.13 : 978.4.757.51710.3
Release : 2006.06.22

Is it a curse? Or----
A young man who just moved from a city to the rural village of Hinamizawa, Maebara Keiichi, discovers a series of deaths that occur each June when the village holds its "Watanagashi" festival. One person dies, and another mysteriously disappears. 'This has nothing to do with me' was what he thought...

Art : Suzuki Jiro / 鈴木次郎
Original story, editing : Ryukishi07 / 竜騎士07
ISBN.10 : 4.757.51592.8
ISBN.13 : 978.4.757.51592.5
Release : 2006.01.22

Kill him-----kill that man.
Showa 58, Hinamizawa.
Keiichi and his companions happily live their lives day after day. But detective Oishi is aware of anything that starts to change as Oyashiro-sama's message surfaces. For example, Satoko's sudden absence from class, the reason being that her uncle had returned. Her body carries the marks of distress and abuse, and Keiichi realizes his own inability to stop it. But there is one thing he can do for Satoko's sake, and that is... to erase that man.

Art : Suzuki Jiro / 鈴木次郎
Original story, editing : Ryukishi07 / 竜騎士07
ISBN.10 : 4.757.51712.2
ISBN.13 : 978.4.757.51712.7
Release : 2006.06.22

[Description coming soon]

Art : Tonogai Yoshiki / 外海良基
Original story, editing : Ryukishi07 / 竜騎士07
ISBN.10 : 4.757.51741.6
ISBN.13 : 978.4.757.51741.7
Release : 2006.09.22

[Description coming soon]

Art : Tonogai Yoshiki / 外海良基
Original story, editing : Ryukishi07 / 竜騎士07
ISBN.10 : 4.757.51825.0
ISBN.13 : 978.4.757.51825.4
Release : 2007.01.22

[Description coming soon]

Art : Suzuragi Karin / 鈴羅木かりん
Original story, editing : Ryukishi07 / 竜騎士07
ISBN.10 : 4.757.51826.9
ISBN.13 : 978.4.757.51826.1
Release : 2007.01.22

[Description coming soon]

Art : Houjyou Yutori / 方條ゆとり
Original story, editing : Ryukishi07 / 竜騎士07
ISBN.10 : 4.757.51928.1
ISBN.13 : 978.4.757.51928.2
Release : ETA 2007.02.27

[Information coming soon]

[Information coming soon]

Summer of Showa 58.
A year had passed since Natsumi's family moved to this city. Natsumi became acquainted with her new life, surrounded by friends as they went home together peacefully every day.
However, the news streamed through the television one day would change her fate substantially. A toxic gas disaster had occurred at a rural village. Furthermore, the village that got caught in the disaster was the one that Natsumi's family used to live in. Shocked by the incident, Natsumi's grandmother told her "this is Oyashiro-sama's curse'. What is this "Oyashiro-sama's curse" that grandmother is speaking of...?
The event marked the beginning of grandmother's eccentric behavior. A dissonant tone within the family indeed. As the calmness becomes concealed with each passing day, the uncertainties in Natsumi's life begin to appear...

Art : Kito En / 鬼頭えん
Original story : Ryukishi07 / 竜騎士07
ISBN.10 : 4.047.13815.0
ISBN.13 : 978.4.047.13815.5
Release : 2006.04.10

[Description coming soon]

Art : Kito En / 鬼頭えん
Original story : Ryukishi07 / 竜騎士07
ISBN.10 : 4.047.13862.2
ISBN.13 : 978.4.047.13862.9
Release : 2006.09.26

[Description coming soon]

Art : Mimori / みもり
Original story : Ryukishi07 / 竜騎士07
ISBN.10 : 4.757.51931.1
ISBN.13 : 978.4.757.51931.2
Release : ETA 2007.02.27

Note
Utsutsukowashi-hen differs from the other side stories in that its full name is actually Higurashi no Naku Koro ni Kai Utsutsukowashi-hen / ひぐらしのなく頃に怪 現壊し編 ('kai' is another word meaning 'mystery' here, not the same one as 'answer' in the answer arc).

Art : Kito En / 鬼頭えん
Original story : Ryukishi07 / 竜騎士07