U should also read the manga heres the Site:
http://www.higurashi.host.sk/its not finished though...i really like mion's personality here in the manga...and i think Rena-chan is the strongest of them all(light-speed when She's in Take Home Everything that is Cute Mode)....Hahahaha
I think The Watanagashi Chapters is the best....(rika-chan is cutest of them all for me)
Question Arc:
1.Onikakushi Chapter------ (The site has 1 chapter of this)
2.Watanagashi Chapter-----(The site has 4 chapters of this)
3.Tatarigoshi Chapter-------(The site has 5 chapters of this)
4.Himatsubushi Chapter-----(None at the Moment)
Answer Arc:
1.Meakashi Chapter---------(None at the Moment)
2.Tsumihoroboshi Chapter--(None at the Moment)
3.Minagoroshi Chapter------(None at the Moment)
4.Matsuribayashi Chapter---(None at the Moment)
Side Story:
1.Onisarashi Chapter--------(None at the Moment)
2.Yoigoshi Chapter-----------(None at the Moment)