Being OP is Boring... - (Reincarnated as a Sword X Male (OPM) Reader)
14 parts Complete Mature(Y/N) (L/N) is just your ordinary 18-year-old who lives a normal life like any other normal human being.
You may think he is an ordinary human being, but he is actually the adopted son of Saitama! During his younger years of training, (Y/N) managed to adapt to Saitama's deadly training through sheer will of power and obtained Saitama's powers and abilities as he became his foster father's personal side-kick.
One day, (Y/N) was heading back to his foster father's apartment and was carrying a bag of groceries for Saitama because of a discount sale to which he obliged.
After eating dinner, (Y/N) decided to get some sleep and wait for tomorrow morning...
That's when (Y/N) woke up feeling uncomfortable in his sleep. He finds himself lost in a forest which confused him for a moment until he realized that he got Isekai'ed and that he had known all about it.
Not long after, he finds a telepathic talking sword and an enslaved little cat girl who is fighting a monster.
What will (Y/N) do in the experience of getting Isekai'ed? Find out in the story...