Saikano

Saikano: The Last Love Song on This Little Planet (最終兵器彼女, Saishū Heiki Kanojo?, lit. She, the Ultimate Weapon) is a manga, anime, and OVA series by Shin Takahashi, about a high school girl who has been turned into an ultimate weapon against her will, seen as the last hope for defending Japan from imminent invasion. The series revolves around her relationship with her boyfriend and her fading humanity.

We're Going to Fall in Love [1.1]

 * Shuji:Thinking back now, How many times have I come here since that day? I was the only one in this town...in this country. no the only one on this planet who loved my little girlfriend, Chise. This is...*sigh*...was our special place! It was here on that day our love first begin! In a middle of nowhere town like this, there isn’t a whole lot to do. And we didn’t have any plans for the future. But one thing that was for certain, the two of us would fall in love.

Together, Alone [1.3]

 * Chise:Shuji, You’ve been really nice to me lately, but it worries me seeing you smile so often! Every time I see you with that forced smile, it makes me want to vanish and disappear! Why did I have to become like this? Did I do something bad? Is this some kind of punishment? Since the fact that I’ve become an ultimate weapon is a secret, its been really hard not being able to talk to anybody about it. That’s why back on that day I...Because what happen to my body! I didn’t want you to see me like Shuji! I was happy and at the same time really sad seeing you be so nice to me! And so you don’t have to lie anymore! I’m going to be stronger! Even more than I am now! Stronger! So don’t worry! It was only for a short while, but thank you for going out with me! I’m sorry!!!