anda could try death note but it is made quite a long time lalu but it looks the same as mirai nikki i dont know why though if anda already tried it then anda could try katekyo hitman rebornit is long but anda will like it for sure AND if anda tried that try these
neo angelique abyss kamisama Ciuman xxxholic d gray man tactics d gray man
Higashi no Eden In both series, people are forced to sertai a game and uses phones as tools. However, Higashi no Eden does not have extreme people like Yuno and has less inappropriate scenes.