Cleared game. Very short for my taste.
Walktrough here
Asuka
*Start from beginning*
Shrine (Get Baku (pink thing))
Home (Select Nurikabe (wall with arms)
School
(Auto)Home (Select Nurikabe )
Yukihi House (Get Murasame *(small sword))
Home (Select Murasame)
Woods (Get Amanojaku (two faced guy))
*Save 1*
(Auto) Home (Select Gaki (guy with horn))
School
*Save 2*
(Auto) Home (Select Amanojaku)
Shrine
(Auto) Home (Select Ghost (self explantory))
Shrine
*From Save 2*
River x 13 Wait (CG100%)
Asuka END
Yukihi
*From Save 1*
(Auto) Home (Select Baku)
Yukihi House (Get Nukeku