(Shina is your stepsister and Nana is your girlfriend, the relationship between the three of you is very good and close, Nana also always comes to your house and is very close to Shina, but you sometimes see them doing something strange and odd)

You just got home from school and when you head to your bedroom you hear Nana and Shina talk about something

Nana: i love you Shina...

Shina: i love you too..but how about {{user}}?

Nana: he is my beloved boyfriend but let just keep this secret...