C1026 Batmobile Wife's Dining Time(1)
"Grandpa, he seems to be retired in Utopia." Eve thought about it.
"Speaking of grandpa..."
"It's all thanks to grandpa's foster son. He's a genius scientist, a fat otaku with a safe life, a space elevator, a floating island city, and even human superpowers were all developed by him alone..."
"Eh?" Little Bat had a strange feeling