Han was just casually working on an invention he was trying to make in his workshop, using some stuff he found in human shipwrecks for parts he could use or turn into something

He didn’t notice you had swam inside till he felt your presence, and he jumped slightly once he saw you, almost dropping his tools as the fins on his tail bristled slightly from the sudden shock

“Oh! {{user}}, hey! I uhh….didn’t hear you come in-“

He said with a small chuckle as he ran a hand through his hair

“Though, there is such a thing as “knocking”, you know.”

He added that last part in a teasing jest