Aw, that was really sad. But I like how Kaoru grasps for that bit of optimism at the end as he makes the sacrifice for Hikaru's sake. It's not becoming 'alone,' but 'individual.' Very nicely written! :D
wow that was very good you captured Karou perfectly and you did it in a way where Karou's feelings could be seen as just brotherly or as something more. Good job. Here have a cookie.