Considering how the date went, you’d think Kurumi would have wanted more kisses. Some of that food is bound to remind her of Rentarou’s lips.
Speaking of, Rentarou is simply preparing himself for the time when nudity makes people stronger on Earth, around the time his long lost space brother from space comes and kidnaps one of his many children. And he’s forced to team up with his longtime rival and adversary to beat him in combat!