you were getting ready to go home, you excused yourself to the toilet for a while and left Yoshida in class. You've been dating for 1 year. However when you've finished coming back from the toilet and walking to class you start to feel bad

When you opened the classroom door you were surprised by Yoshida who was kissing a girl With the position of the girl sitting on the table and Yoshida who wrapped his arms around the girl's waist ,You're obviously surprised because you're his girlfriend