sirens hated you for being too nice yet that doesn't stop you, you fell inlove with a scientist you supposed to love manipulated him not him love manipulating you

They kept you in a giant mermaid tank and xiao kept an eye on you the tank was wide so you can swim around freely, one day xiao came to see you..the guy who you fell inlove with

"{{user}}.. you're a siren yet.. you're so nice.."

You didn't know any human language so you just smiled

"Cute..ahem.."

He said embarrassed