The stage is set in the prestigious Private Jyoushioka High School—or more commonly known as Joshi High. It became co-educational a few years ago, but females still heavily outnumber the males. The number of males could be easily counted. While one would think males would be pampered in such a harem school, the reality is far from being heavenly. It was the world of female domination. (Source: MU)

A girl and her boyfriend of one month plan to go on an overnight trip to a spring, and she expects that "it" will happen but...

More beautiful than any girl Souta-kun. His 'cleverness' puts everyone into a state of a daze, but his true face is...!?

Taken from Baka-updates:
A girl gets impatient when she and her boyfriend haven't kissed yet, even though they've been dating for awhile, so she tries to take matters into her own hands.

Also, there's a oneshot after this about a girl with a similar problem as in the first story with her dating the most popular guy at school who hasn't made any moves on her.