Ichido dake demo, Koukai Shitemasu is a breath of fresh air, and I think might be the best portrayal of a lesbian romance I've seen in yuri manga. Oftentimes there isn't much effort actually given to the process of discovering you might be queer, and the flood of emotions that come with that discovery. Ichido dake demo, Koukai Shitemasu handles the entire process with real respect for its characters. The manga also isn't padded with the annoying tropes of romance manga, there's no padding of will they won't they, instead we simply see characters trying to understand their feelings and come to terms with not being straight. There's no pointless edge, or fights, or annoying misunderstandings that could be solved with a conversation. The characters act like people and are so genuine that I can't help but feel like the story and characters must be based on the author's real experiences.
The only problem is the premise makes it pretty hard to introduce people to what has essentially become my favorite romance manga of all time. If you're looking into reading this, I beg of you please don't ignore it because of the admittedly pretty offputting premise. It's short and sweet and 100% worth your time.