Top 5 in Top 20 hottest Ecchi comics today.
The content is impressive by the way the situation and characters are built. The protagonist is a 94-year-old man – Kunugi Renya, who is reborn in another world in the form of an 18-year-old boy. It can be said that he was a "sword master" in the early world, because with just 1 of his swords, he killed thousands of people. Although in the New World, he no longer remembers anything, his instincts and ability to use the sword remain intact to accomplish his mission.
And of course, this series still has erotic scenes that are just right enough for Ecchi's genre.