Ekikoi: The Young Miss Falls For The Station Attendant summary:

After a fateful encounter in the station platform, Botan, an innocent high school lady falls in love with Koganei, the handsome station attendant who helped her. Koganei was a man adored by everyone in the station since he is very polite and kind. It is not enough for Botan to just only looking at him, so she decided to make her first love confession ever! But, it seems like the Koganei she likes has another face... Be careful, Botan! Don't get fooled by his appearance!