galactic_monster09's Favorite

I forgot the title of this yaoi manga where one guy has a tiny penis and the other's package is huge. They both go to the abandoned bathroom in school because both of them are insecure about their size.
They proceed to go to the house of one of them and give eachother hand- and blowjobs. They also bath together and end up being really close in school.
It was very short, either a one shot or a 2-chapter story.