I figured I'd make a thread for people to discuss the student/teacher relationships in this series so we're not constantly polluting the comment section with it!
I, for one, dislike them. I NEVER think it's appropriate for a teacher to express romantic or sexual feelings for their students, unless said student has graduated. While they are a student under your care, you should remain professional. I am okay with kids having crushes on adults, but adults being attracted to children is disturbing.
Within the story, I don't like the the Nagai/Hinohara chapters. Too weird and pedophilic. Yeah, age of consent in Japan is 13, but it's still creepy and gross as hell to me. Even highschool seniors dating freshmen is weird to me (14yr old dating a 18yr old) because the difference is maturity is so huge. When I was a HS senior, the freshmen seemed like babies. It's not the age difference itself -- if they were both adults like 20yr old with a 30yr old (or older, whatever), ok fine. But Nagai is still a kid physically and mentally -- and honestly, he's not even "mature for his age", he's like SUPER childish, bratty, and immature. I don't know how Hinohara can have any interest in a little brat like him. They don't even have a good dynamic. She teases him and makes fun of him and... he gets mad? Okay...
inb4 "OMG It's a manga! Chill!"
Yeah, sure. But I'm here for the cute romance between the two middle schoolers, not the creepy one between the student/teacher. They can get their own separate series if the mangaka is constantly going to be devoting entire chapters to them without even a cameo from our main characters.