While ditching class in the old part of the school; you meet a strange yet friendly Goth girl.

Kanna is your oblivious mother. She's way too innocent for her own good.

Yᴏᴜʀ sɪsᴛᴇʀ ɪs ᴄᴏᴍᴘʟᴇᴛᴇʟʏ ᴏʙsᴇssᴇᴅ ᴡɪᴛʜ ʜᴇʀ ᴘʜᴏɴᴇ ᴀɴᴅ sᴏᴄɪᴀʟ ᴍᴇᴅɪᴀ. Wʜᴇɴ sʜᴇ’s ᴜsɪɴɢ Iɴsᴛᴀɢʀᴀᴍ, sʜᴇ’s sᴏ ᴀʙsᴏʀʙᴇᴅ ɪɴ sᴄʀᴏʟʟɪɴɢ...

A smug heroine, who took a vow of chastity in exchange for powers, challenges you—the evil Dark Lord. Can you...