All of this is based on the 僕 speech pattern, which is where all of the stuttering and ellipses come from.

C
Kamui: Kazahana. Are you looking for Sakura?
Kazahana: Ugh!! ...if it isn't you, Kamui. What do you want?
Kamui: Just now, that "Ugh!"...? W-well, no, Sakura isn't in here.
Kazahana: I see, thanks. Farewell, then.
Kamui: You're leaving already!? W-wait a moment. Kazahana!
Kazahana: ...What? I'm in a hurry.
Kamui: Uwaa...you've obviously got a problem with me. I can feel the hostility...did I do something to annoy you, Kazahana?
Kazahana: ...
Kamui: ...
Kazahana: You did.
Kamui: S-so that's it...sorry. But I can't think of what I might have done...
Kazahana: I...because of you, I've seen Lady Sakura cry so many times. So...I hate you for making my lifelong friend cry!!
Kamui: Eh...!? It's my fault that Sakura...that's...
Kazahana: I told Lady Sakura it was pointless. Maybe she couldn't tell me, I thought(???). Of course I said there was no way. (unsure about everything past first sentence)
Kamui: That...
Kazahana: Even though you're our leader, I had to tell you properly. I feel better now. Farewell, then.
Kamui: Kazahana...

B
Kamui: H-hello...Kazahana. You're training?
Kazahana: Haa...haa...Lord Kamui. ...You're going to tell me something, but it's pointless. You're a problem for Lady Sakura.
Kamui: No, I'm past that. I just came here to have a conversation.
Kazahana: ... sei!!!
Kamui: W-waah! ...h-hey, isn't that dangerous!? Coming at someone so suddenly with a sword...how much do wooden swords cost!?
Kazahana: ...You dodged that well. Alright. You may ask one question.
Kamui: Eh...? So then...since I dodged that, I'm allowed to?
Kazahana: Ask quickly so I can get back to my training.
Kamui: Ah...yes. Please allow me. You come from a family of Samurai that served Hoshido, right?
Kazahana: That's right. Why?
Kamui: You train your body and soul as a Samurai, in order to protect Sakura. I thought this dedication was a result of your lineage.
Kazahana: That's it, surely.
Kamui: That's it...that's good.
Kazahana: What do you mean, "that's good"?
Kamui: I've always been trapped in the palace. I was never taught that freedom is something to live for. I've lived with pure darkness as my only destination...There is a proper future to look forward to. Yours looks bright.
Kazahana: ... There is a person I look up to. It's my father. He was a reflection of the ideal Samurai.
Kamui: An ideal Samurai...what kind of person was he?
Kazahana: My father...in Sumeragi's time, he completely devoted himself to his king. Whenever Sumeragi needed protection, whether as his sword or as his shield, father helped him tirelessly.
Kamui: ...
Kazahana: As a Swordmaster, he had the admiration of all the people...あたしの自慢で、誇りだった。 And to protect the king, my father...left this world. But, that was my father's dream. I think I was supposed to be a symbol of my father's way of life. As a Samurai, my father died in a good place. (middle part: something about pride, but she refers to herself at the beginning; I was thinking maybe "he was my pride" or something but that seems strange)
Kamui: ...I see.
Kazahana: I have a sense of purpose. 生きているように見えるのは、\nきっと父上の背中を目指しているから\nなんでしょうね。 (I can not even begin to understand it clearly; taking it line by line, it sort of seems like "I want to see life as my father saw it" or something)
Kamui: So that's it...but...sorry...I don't mean to be impolite...I don't think death alone should be seen as a good thing. Dying for his lord is what gave his death meaning.*
Kazahana: Y-y-y...!! You dare say insult my father's death!?
Kamui: No, that's not what I meant. Surely your father was a fine man. His last moments were spent protecting my father, so I should be thankful...I cannot criticize him. But...imitating him, might that be a mistake?
Kazahana: You would say such a thing, because you're the ones being protected!! Mocking someone who died as a martyr for you...I absolutely can never forgive it!
Kamui: Ah, Kazahana!! ... She's gone...

A
Kamui: Ah...Kazahana.
Kazahana: ...Lord Kamui.
Kamui: That...this time...sorry.
Kazahana: No. I'm not thinking about it anymore. You're our leader.
Kamui: No...I want you to forgive me. I didn't think about your feelings and I said a terrible thing.
Kazahana: Stop it, already! You're only going to make me feel worse!
Kamui: You're wrong...what I wanted to say was, it's not like that...Sakura wasn't mourning, it was only what you thought!!
Kazahana: ...!? Lady Sakura...!?
Kamui: 元々サクラを泣かせてる僕が言えるようなことじゃないのはわかってる… But I still want to say it. If it's true that, for my father, your own father died...does that make it right for you to die for Sakura?
Kazahana: ...!!
Kamui: If that happened...Sakura would have no reason to be happy. Surely, she'd cry...she would regret the loss of her friend...she might even lose her own will to live. Even I can't stand the idea of such a future. Would you want that?
Kazahana: Th-that...
Kamui: Of course, I know that protecting his lord is a Samurai's priority. But...is that really of greater importance than keeping the lord from grieving?
Kazahana: I...I, too, never want to see Sakura cry.
Kamui: Kazahana...yes, I think that's right. You must protect Sakura, but you must also protect Sakura's feelings.
Kazahana: Yes...Lord Kamui. Thank you...very much.
Kamui: No, 僕の方こそ…...For protecting Sakura all this time...thank you.
Kazahana: Yes...

S
Kazahana: Ah! Lord Kamui.
Kamui: H...hello, Kazahana.
Kazahana: Wh-what's the matter? Being all hesitant like that, when I'm not angry at you anymore?
Kamui: Ah, y-yeah...
Kazahana: And I came to thank you again for guiding me back onto the path of a Samurai.
Kamui: N-no, no...there's no need for that...
Kazahana: Hm? Was that something strange just now? You're shaking. Do you need a restroom?
Kamui: N-...no!
Kazahana: Then what's up?
Kamui: Hm, I wonder if I should just go in a different direction to get away from you?
Kazahana: Eh? What was that?
Kamui: ... ...Kazahana. I want to say more. I said before that I don't want you to die. But that...wasn't for you and Sakura.
Kazahana: Haa...!?
Kamui: That was for me; nothing else. I...I like you. Because I like you, I didn't want you to die.
Kazahana: !!
Kamui: I'm so sorry for saying such stupid things. But I think from all this, I've discovered my true feelings. You were important to me.
Kazahana: Th-that was... ... uuwaaa...!! So embarrassing!! I'm SO embarrassed from that confession!
Kamui: I'm the one that's really embarrassed!!
Kazahana: B-but...I'm happy. So happy.
Kamui: Kazahana...
Kazahana: Yes. I like you, too. I like you for bringing me back to the path of a Samurai. I love you...!
Kamui: Thank you!! Like you've protected Sakura, it's my turn to protect you.
Kazahana: And I won't lose! I'll protect both you and Sakura!
Kamui: (not quite sure - サクラは今日から君の妹になるんだから、姉として、しっかりやってくれないと困るよ？ Something about worrying, and Kazahana being like Sakura's big sister now)
Kazahana: Eh...aah! I see...! Sakura is...Sakura's my little sister...!
Kamui: Maybe this will be difficult...?
Kazahana: N-no. I'm thrilled. Not only will I be together with you, Sakura and I will always be together...thanks to you, I'm doubly happy...
Kamui: Kazahana...I'm glad for your happiness. But, from now on I'll be even happier...no, together, we'll be even happier? I love you. More than anyone...
Kazahana: Kamui-sama...