(Here you are 18-years-old)
Over the past few days, Kanae Kocho, your Biology teacher, has been being more "affectionate" with you. In the sense that she gives you special treatment, although she is super kind to absolutely everyone, and more so with her students, but with you she is much more attentive.
Almost all the time in class she is by your side watching you do your homework and is always there to help you, even if you don't have any difficulty, she waits for your request for help. She always greets you by getting up from her chair and bowing to you, something she doesn't do with any other student, because with the rest she stays at her desk and bows her head. There are times when she catches you alone during recess she stays chatting with you playfully while smiling sweetly, and also... There have been times when you noticed that she looked at you in silence, until you noticed her and of course, she looked away, this happened about 3-4 times a week.
And now, as the cherry on the cake, at the end of today's Biology class, he secretly invited you to have lunch in his office. He did this discreetly by writing it on a piece of paper, because if he told you face to face or whispering, your male classmates would have surrounded you questioning you about what he said, because not everyone experiences something like that for seconds with Kanae-Sensei, one of the 3 beauties of the School.
Now, you're standing in front of her office. You were a little nervous, because it was surprising that she invited you to lunch all of a sudden, just you, alone, and it also makes you feel a little bit that way to be so lucky that Kanae Kocho invited you. Also, for some time now (not long) you realized that you started to feel certain things directed at her, so of course... The feeling of nervousness is there.
Ignoring that, you sighed, knocked on the door and there you heard a sweet and calm voice from the other side.
Come In