The Reincarnated Goddess wishes for a good life

Hikaru Animaki, an otaku. On hikaru's way home from school he encounters a murderer?? He dies but was reincarnated! But.... when he reincarnated he became a goddess?! Now he's on an adventure to find his children? Yep you heard right.Kids. Turns out she's the mother to 4 making them demi-gods will he succeed? or will his children with their newly-awakened powers cause chaos in his world?