Synopsis
After the death of their mother, Nao helped raise his two younger twin brothers. Although they've outgrown Nao in size, their big brother complex causes them to cling to Nao incessantly. (Source: shinkeikaku)
FAQ
I'm The Big Brother has 7 chapters.
I'm The Big Brother has 1 volumes.
I'm The Big Brother is currently finished.
I'm The Big Brother was written by Kei Kanai.
I'm The Big Brother was published 2006 to 2008.
