The property loosely translates as The very lovely tyrant of love and there are twelve volumes out total as of the end of December 2016 in Japan.
Eventually Akane and Seiji come together but not before Guri decides that she likes Seiji as well.
The series is the third published work from Mihoshi who previously did some work in the Zombie Anthology Comic release and Koiyami: Hayarigami Another Story.