Do someone know manga that the love rival fall in love with each other at the end?

yaoi?

Yup ⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄

i do know several and most of them are entertaining. just look for those tagged as "love rival to love" http://www.mangago.me/home/mangalist/44244/