So ... most likely on these 10 years of timeskip they already married. And on the other hand we all know 100% they had a kid already (Ty for giving at least that information nakaba XD)
So don't think they are still innocent and pure in the canon. They're not anymore. (Well ok, even if they did it they're still adorable and pure for this world <3)
Also, I am sure that pillow saw things that cant never be revealed!
Uncensored version (without the teddy bears): https://www.patreon.com/posts/36378850
Fanart -> Redworld96
Characters -> Suzuki Nakaba