Read manga: Gokuaku Drop

manga
Other name: 极恶甜心 ; 極惡甜心
Artists: Tajima Mimi
Status: completed
Updated at: Aug 25, 2019
Summary:

Nami has been friends with Ryouku since they were children. But ever since they watched a kiss scene on TV, Ryoku became a ''kissing monster''. After entering middle school, Nami is getting confused wondering what kind of relationship she has with him.