The next morning, Nagasumi and Sun were walking across the bridge when they noticed Mawari.
"Ms. Mawari, what are you doing here?" asked Sun.
"I came to apologize, I was out of line yesterday," said Mawari with a sad expression as she bowed her head to them.
"So wasn't I, I just didn't like the way you were treating us," said Nagasumi who also had a sad expression.
"I get it, hey what's that in the water?" asked Mawari as she pointed down to the water.
"I don't see anything," said Sun as she looked over the rail while standing right next to Mawari. Mawari then pushed her over the rail and into the water.
"Sun!" said Nagasumi as he ran over to where she had been standing.
"Why did you do that?" asked Nagasumi as he looked at Mawari with more rage than he had the day before.
"So I can take her," said Detective Dart as he popped his head out of the water along with Sun, who had chains around her.
"Wait, why did you put her in chains and not handcuffs?" asked Mawari.
"Guess I should tell you now, I'm actually an ex-detective, I turned criminal three years ago, now I sell mermaids as slaves," said Dart before he dove into the water.
"What have I done?" asked Mawari with a terrified expression.
"I know what I'm going to do," said Nagasumi as he took off his shoes before jumping into the river. Meanwhile, Dart was swimming further ahead with Sun in tow.
"I can't believe I actually got away with this, I'm going to be one rich merman after I sell the daughter of the Seto Gang," said Dart who now looked like a humanoid piranha.
"Nagasumi!" said Sun as she noticed him following.
"What, is that human suicidal?!" asked Dart as he turned around.
"Give Sun back!" said Nagasumi as he swam with all his might. However, Dart used a fin to strike Nagasumi over his head, knocking him out.
"Nagasumi!" said Sun as he started to sink into the darkness.
"You're a fool for thinking you can beat me in the water!" said Dart as he laughed at the sight of Nagasumi sinking.