Does anyone remember the chapter yuzu and momo kissed is?

Can someone explain the ending for me??

Is that sayo on tsugu's shirt? OMG XD

Yes she's a girl

Oh my screaming fangirls XD

Hmm no one cmt yet?? Guess im early. Anyway it's been so long since last saw this kind of art and tbh i like it. Kuromaya forever><

I dont get it?? Is this even considered sex and is it that lewd?? Sb explain this for me