Responses
https://www.mangago.me/read-manga/nian_monsters_in_love/
This is the whole collaboration. The dragon×nian monster is my fave ε=ε=(ノ≧∇≦)ノ
beta
This is actually just a part of a full series of Monsters×Zodiac fighters. This isn't the only one. Most of them only have 1 chapter but there are a few like this one, the dragon and bull that have 2 chapters.