It's simply a series of loli erotica aimed at masochistic gentlemen (with occult themes). (Source: Afterword from chapter 3) <b>Chapter 1</b> A loli succubus relentlessly milks her prey. There are worse ways to go. The last is a sweet sweeeeet sweeeeeet happy ending. <b>Chapter 2</b> A cursed doll appears in the room in this tale of sweet reverse NTR and sacrificed life. <b>Chapter 3</b> Being sexually played as a toy of two girls who you meet in a hot spring resort. <b>Chapter 4</b> Three girls sexually bully an oniichan. (Source: DLsite English)