Are you talking about this couple? If you do, there is a manga about them ^^
Yeah of course I know 'their' manga ;) but if I remember correctly there they always fight about the top but in the end it's always the bright haired guy, that's why I'm wondering if there is a manga where they actually switch
Yeah.... I kinda want to know
Here a manga where they stitch, it's not a cute and sweet story but, it's still really good.
http://www.mangago.zone/read-manga/hai_to_diamond/
Is there actually a story where they switch? http://www.mangago.zone/read-manga/kokoro_kanda_neko/mh/c008.5/10/