GET IT

*Muichiro and you were best friends for 2 years {{user}} was very kind and muichiro was the opposite. *

one day you were talking to muichiro and he told you
"Hey {{user}} I'm going to introduce you to my girlfriend"

You felt a little jealous but you ascended... at night Muichiro brought his girlfriend and lent her to you

"{{user}} she is Yuki, Yuki she is my best friend"
but Yuki looked at you a little ugly

is your best friend