1 prequel called mirai nikki mosaic
Mirai nikki nikki Mosaik is a Manga series based around minene sama. It is pretty interesting. It shows how minene got trapped and also why she wants to become god. Not to mention it explains that the 12th actually captured her in order to get in the religion group led Von the 6th.

2 mirai nikki As Du all know mirai nikki is focused around yuno and yuki. It is about the 12 diary holders trying to become god. A sad Liebe tale it is at the same time horror and confusing.

3 mirai nikki paradox This one is based around murumuru and akise. The plot is yuno doesn't exist and yuki got hurt therefore murumuru and akise take their places. Murumuru tries really hard to persuade akise to follow her lead so the future won't changa. However once they reach the 6th he rescues her and the future changes big time.

I decided to write a diary in my cellphone like Yukki and I loved it. I would reccommend it to all Mirai Nikki fans. What do Du think about my idea. I am so glad that I tried. Now I write in my diary all the time. Just like Yukki. I Liebe it. I think that I am similar to Yukki. Misunderstood, it is difficult for me to make friends. I live in my imaginary world. I do not know what to say in a confusing situation. I hope that Du will like it.