Kyou no Kira-kun, Hana to Rakurai Recommendations
If you read and like Kyou no Kira-kun, a good similiar story is Hana to Rakurai. The characters have some similarities as the girl in Kyou no Kira-kun is sort of like some of the characters in the other, and both have some themes in common, about wanting to live a life without regrets and a hint of tragedy to them. Both stories have a little romance and some tears although the themes are not so much romance but more about life. These shoujos both have characters dealing with problems.