Masashi Yamane

Ichinomiya Shingo is a young man of 25 years, single and a company worker. One common day, after an arduous morning of work, he went to sleep. However, the moment he woke up, he saw a room unknown to him. He learned that he was put in a 6-year-old boy and had taken his mind. Fortunately, he was blessed with a very rare talent, the possibility of using magic. Although it brings more misfortunes than advantages.

Sshhh! Princess Syalis is trying to get a good night's sleep. Some shut-eye. Forty winks. Catch some Z's. Long ago in olden times when people and demons lived together in-well, disharmony, really - a demon king kidnaps a human princess and imprisons her in his castle. Bereft, the princess's subjects beat their chests in anguish...until a hero arises to spearhead Project Rescue Our Princess! While waiting for her knight in shining armor, what's an imprisoned princess to do ...? Teddy-bear guards with bat wings are all very well, but her dungeon cell is bo-o-o-ring! So, she decides to wile away the long hours by sleeping. Now if only she could get comfortable...and didn't suffer from insomnia...

"Rimuru Tempest" is the new name of a slime in a fantasy world taken by a former 37-year-old human Satou Mikami after he is killed by a passing robber. Broken free from ordinary, stale past life, his fresh adventure in a fantasy world as a slime monster with unique abilities begins.