Ok so I have searched up and down the forums in every one of the forums that fit. So here is the synopsis. This girl is really smart, wears glasses and has black hair. She attracts a guy in her class that is a known good for nothing, They date and she falls deeply for him, although he doesn't think she does. Then a convenient plot twist shows up in the form of her ex boyfriend that used to be her tutor or a teacher. Seeing that her ex-boyfriend is essentially the perfect guy, her current boyfriend throws himself into being what he thinks she needs and becomes studious and pretty handsome and wears glasses. She finally tells him that she thinks that it is pretty cute that he got all jealous over her ex. It is pretty recent and drawn in a format that is similar to Ojousama wa Oyomesama. Really sweet and modern. Does any one know what the title of the manga is?

Stroke Material?

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I agree, it really does sound like Stroke Material.
But the girl in this manga got white hair afair...

I think it's Mamotte Agemasu

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“I thought also of another thing between us. Call it trust... That is one of its names. It is a very great thing. Though each of us alone is weak, having that we are strong, stronger than the powers of the dark.”

YES! I have been wanting to read that manga again for a year. The other was a great manga and I am going to read it directly after the other one. Thank you bot for being so damn awesome.