Soushinjutsu ∞

Chapter 2 (main game):

Kurayama Eita is a pervert.
After seeing a girl transfer student use a strange spray to manipulate 2 girls that bullied her, he manages to steal it.
He then start using it to play with the popular girls around him.
How long will he be able to do it without being caught?

Others chapters:

Through the story of a girl named Kiryuu Ibuki, start a tale that will tie together all the Soushinjutsu games until now.