I am still reading but...I think Yahiro and Megumi will end up together.
He has feelings for Akira. But he later dates Megumi because she claims to be in love with him. And during their date, he shows his softer side to her.
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220.127.116.11 wrote: Hi, I've read and watched the anime and manga, and I'm pretty sure in the anime that they're are a couple. It's not as clear in the manga but if you read the last chapter, Yahiro asks Megumi out on an opera date and the aouthor does say Yahiro was a "Boyfriend in the making." ment all boys there are so handsome