The main character, Hinako Momotsuki, is a high school girl who loves the anime

After fighting his way to beat the demon king, the reborn Ceres is kicked out of his own adventuring party by the womanizing hero. Now alone, he heads to the market and Sees someone he never expectedーShizuko, the hero's mother, rejected and up for sale.

After falling into the ocean, Wataru Toyoumi finds himself reincarnated in another world! Armed with a skill that allows him to summon boats, he plans to get rich and live a happy life aboard his very own luxury liner.