From Yen Press:

With help from the witch Beatrice, Shannon has enjoyed a budding romance with George Ushiromiya, her master’s eldest grandson. As a servant of the Ushiromiya estate, Shannon is little more than furniture, but since her bargain with Beatrice, Shannon has never felt happier…or more human. Her brother and fellow servant, Kanon, is troubled by his sister’s reliance on the witch to reach beyond her lowly status. But when love begins to flutter in Kanon’s heart, will he be tempted to abandon his station and take the witch’s hand as well?

Question Arc
1. Umineko When They C... More...

From Yen Press:

With help from the witch Beatrice, Shannon has enjoyed a budding romance with George Ushiromiya, her master’s eldest grandson. As a servant of the Ushiromiya estate, Shannon is little more than furniture, but since her bargain with Beatrice, Shannon has never felt happier…or more human. Her brother and fellow servant, Kanon, is troubled by his sister’s reliance on the witch to reach beyond her lowly status. But when love begins to flutter in Kanon’s heart, will he be tempted to abandon his station and take the witch’s hand as well?

Question Arc
1. Umineko When They Cry Episode 1: Legend of the Golden Witch
2. Umineko When They Cry Episode 2: Turn of the Golden Witch
3. Umineko When They Cry Episode 3: Banquet of the Golden Witch
4. Umineko When They Cry Episode 4: Alliance of the Golden Witch

Answer Arc
5. Umineko When They Cry Episode 5: End of the Golden Witch
6. Umineko When They Cry Episode 6: Dawn of the Golden Witch
7. Umineko When They Cry Episode 7: Requiem of the Golden Witch
8. Umineko When They Cry Episode 8: Twilight of the Golden Witch

The side story arcs are:
- Umineko Biyori
- [m]Umineko no Naku Utage ni: Tea Party of the Witches[/m]
- Umineko no Naku Koro ni Episode X
- Umineko no Naku Koro ni Tsubasa
- Ougon Musoukyoku
- Umineko no Naku Koro ni Shi: Forgery of the Purple Logic Less...