I rendered 先生 as "Sensei" instead of "teacher". It doesn't work to have Keine referring to herself in the third person in panel 1 if she calls herself "teacher", but if she doesn't call herself teacher at all, then it's not clear that she's speaking to you as one of her students. I updated "teacher" to "sensei" in the second panel for consistency.
To keep the translation idiomatic, I also had to truncate Keine-sensei number #2's last line about "being looked at with such honest eyes".
Which
Kamishirasawa Keine
Is The One You Like?
Oh, Sensei loves you too!pant
pantHuhuhu, how precocious of you!...really?Hey, now, don't tease your sensei like that...C-come now, the school is full of young ladies much cuter than me... dear me, such honest eyes... hmm...Well then, how about we spend today studying health and physical education, just the two of us? ♥You like me like that. I see...Hmm...