I really loved this series and think so much of it is amazing both with the actual art and the storytelling but this ending is disappointing. All though out the volumes it felt better clear that the whole salamander and frog analogy was about how they both felt like they needed each other by their sides forever and with all the gay panic that happens in the earlier volumes, koyuki not being able to stop thinking about Konatsu, getting red when seeing her, and Konatsu is the same way. It just felt really clear that they were in love with one another even without saying it directly. This ending just feels hollow because of that, I still love the idea and theme about loneliness and letting those around you know how much they matter to you but having Koyuki and Konatsu ending as just besties feels like we are ignoring both of their deeper emotions. I'd recommend this as a coming of age manga or something but personally I don't think I'm gonna reread this.