Considering how this series is by the same author as ''Toradora!'", expect quite a few.
Banri and Kouko sticking by each other when they get conned by the cult.
Banri and Kouko's talk with each other after escaping the cult.
While Mitsuo rejecting Kouko, and her ensuing reaction, is a tearjerker, it's nice to see him admit that he at least cares about Kouko as a childhood friend.
Banri sticking by Kouko after Mitsuo dumps her.
Banri and Kouko's talk in his room.
Banri: If I stay the way I am, everyone will continue to be disappointed. I...
Kouko: I'm not disappointed.
Kouko: I'm not. I'll never be disappointed. After all, if you disappear, who am I supposed to share my disgraceful self with tonight? There's no one else. There's only you, Tada-kun. So don't disappear.
Banri's confession to Kouko
Kouko: I...I know I'm an idiot, but... Don't forget about me.
Banri: I won't forget. There's no way I'd forget. Because...I... I like you, Kaga-san. I like you, Kaga Kouko. I really do.
Linda comforting past Banri after he sees his name isn't on the class shirt.
Kouko stealing a bike to catch up to Banri, preventing him from jumping off the bridge, and finally confessing to him.
Kouko: I caught you.
Kouko: Don't run anymore. Don't go where I can't reach you! Stay with me forever!
Kouko: I love you, Tada-kun.
Kouko explaining her true feelings to Banri and why she didn't confess to him:
Kouko: Accepting that I was more and more attracted to you was really difficult for me. I thought I was just attracted to your kindness because of the pain of being rejected. I was suspicious of my own motives. That's why, according to my plan, the correct answer was no.
Banri: Your plan?
Kouko: To mature on my own and be the one to confess. I believed it was the right thing to do and I believed it would change the world. But... Things don't go according to plan.
Banri and Linda reconciling thanks to intervention by Nana.
Kouko and Banri's confrontation goes from a near tearjearker to this. It also...
Nana's talk with Banri following Koko dumping him like a sack of bricks really emphasizes that while she seems like a brooding, dark character, she's very emotionally sensitive and supportive of her friends.