Emmmmm Which sister can summarize the derivative cp of Wei Lan? It's best to put it in brackets.

Shen Wei× Zhao (original match group/Wei Lan group/old couple group)

Feng Douzi× You Dongdong (Happy Source Group/Sand Sculpture Group/Doudong Group)

LAM Raymond× Bird (first love group/campus group)

Luo Fusheng × Yang Xiuxian (stealing a sage for a long time group/kidney injury group/Che Shen group)

Fan Wei × Xie Nanxiang (Elite Group)

Scenery of Childe × Real Water Without Fragrance (online dating group/online game group/Childe Real Fragrance Group)

Fan Wei × Pastoral (Sad Group)

Luo Fusheng× Luo Fei (Santa Fe Group)

Shen Wei× Bird (teacher-student group)

Little Ghost King × Kunlun Jun (ancestor group)

Ye Zun× Pei Wende (Mianpei Group/Monk and Demon Group)

Zhu Houzhao × Pei Wende (Houde Zaiwu Group/Junchen Group)

He Xinkai × Xie Nanxiang (dual medical group/doctor-patient group)

Luo Fusheng × Han Shen (floating and sinking group/gang group)

Chi Rui× Feng Yong and Cai Qing Chuan (Republic of China Group /BE Group)

English Foundation × Boli (Proton Group)

Thank you without flowers × Fu Hongxue (Jianghu School/Ancient School)

Shen Wei× Cao Guang (teacher-student group/campus group)

He Kaixin× Han Shen (blackening group/silly white sweet group)

Fan Wei× Xiao Chen (love rat Group)

Youkuju× Bird (Double President Group)

Fan Wei × Han Shen (rival in love becomes lover group/enemy group)

Qi Heng× Boli (Home Country and World Group)

He Kaixin× Cao Guang (sand sculpture formation)

Populus euphratica× Cao Guang (Photography Group)

Feng Douzi× Cao Guang (Xueba Xuezha Group/Tutor Group)

The above is what I have learned so far, and there are some other matches. There are quite a few derivative pairs from Wei Lan. I hope I can help you.