Sekai de Ichiban Yabai Koi 世界で一番ヤバイ恋 LACM-4497 released 2008.07.09 1800 yen

This is a CD+DVD package that contains the ending song to the TV anime Kyouran Kazoku Nikki (狂乱家族日記).

The tracks are as follows.

1. Sekai de Ichiban Yabai Koi
2. Sekai de Ichiban Yabai Koi OTAKU-ELITE do-M hoi hoi mix
3. Sekai de Ichiban Yabai Koi [off vocal]

The DVD contains the non-credit TV ending animation (16:9 size).

similar web/CD pages