To start this manga starts off with guy and girl that like each other but cant say it.Then the girl goes to the guy she likes best friend for what ever reason and theystar banging after awhile the guy tries to find out why she is weird and he see hisfriends banging her he knocks his friend out he bangs her and they say they loveeach other. kinda happy ending? 1tk62

not 100% sure about that ending it might have been darker

any help would be great thanks in advance