Tomo-chan wa Onnanoko!

Tomo Aizawa was able to successfully confess to her crush Junichirou Kubota. There is only one problem. He just sees her as his buddy. He thought that she was a boy until they went to middle school together, because her grade school was in a different school district. (Source: MU) Note: Originally published daily on Twi4. The volume release compiled the series into 51 chapters + 5 extra chapters