mr_bipolar

Yukiteru "Yuki" Amano is a loner who spends most of his time writing a diary on his cell phone or talking with his imaginary friends Deus Ex Machina, the God of Time and Space; and Murmur, Deus' servant. One day, Deus gives Yuki a special diary, mentioning something about a game.

While on the surface Yuu Otosaka appears to be just another charming and intelligent teenager, he has a secret—he has the ability to slip into people's minds and fully control their body for five seconds at a time. Yuu has been using this skill for years to gain the highest grades, which allowed him to enter a prestigious high school.

The "Seven Deadly Sins," a group of evil knights who conspired to overthrow the kingdom of Britannia, were said to have been eradicated by the Holy Knights, although some claim that they still live. Ten years later, the Holy Knights have staged a Coup d'état and assassinated the king, becoming the new, tyrannical rulers of the kingdom.