During his 80th birthday, Watari Eiji has a heart attack. On his deathbed, he desperately wishes to fulfill his one wish in his next life.... more>> Instead of reincarnating, he spontaneously becomes his younger self. <<less

The power I posses is the strongest in this world! The enemies I must defeat... are humans!?... more>>

I was suddenly transported to another world. Being called the ‘Suitable One’, with the world’s strongest power “Holy Sword”. I thought I would be using that power to make a great impact in this new world. However, in this alternate world there are "inhumans"; Monsters that oppress the lands. Questioning my own convictions, I ask, is this correct? Who should I use this power for? This is the beginning of an isekai battle fantasy! <<less