I can read Chinese so I read them raw on the Chinese publishing sites like jj and cp.

In quick transmigration, the MC usually takes over the identity of someone with existing relationship and life, basically living someone else's life.

While in infinite flow, the MC is more like playing an mmorpg. They may play a character during missions but it's more like acting a temporary role.

I hear that 不要在垃圾桶里捡男朋友 is going to be adapted into manga, but no news of donghua yet, but there are fanvids and fan songs, and audio drama.