|Not, sure but you can give Bitou Lollipop a try, if ...
Spoiler (mouse over to view)
... It's okay, when the female main character doesn't end up with the readers first guess, but a second guy showing up within the next chapter and he isn't as indicisive as the first guy - and younger than her by a few (about 2?) years.
"It's like love is a bonus in your life. Even without it, I'm just fine. I don't feel like pointlessly searching for it. You don't have to make yourself unhappy." (Ookami Shoujo to Kuro Ouji)
"Why does it rain?" - "To create drama." (Drops (Andou Yuki))