excuse me for that horrible English, here are the 2a.m. e.e" My head does not work well... ahahaaa 
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 My favorite is Seven Days is a manga and I saw it as 584269 sii times, I also know it by heart. 

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and fix it. XD Excuse for that horrible input did not think that someone was gonna be interested. XDD 

More info

Manga : Seven days 
Title: Seven days, セブン デイズ FRIDAY - SUNDAY 
Author: Tachibana Venio 
Mangaka: Rihito Takarai 
Genre: Romance, shounen ai, drama, school life 
Volumes 2 
Status: Complete 
Year: 2007