Kouta is the school's idol loved by all&mdash;his teacher and his fellow students. Well, at least the one teacher and three students we see&mdash;who are all girls. Actually, they don't actually "love" him all that much; they just want to screw his brain out. 
(Source: AniDB)

Miyako Misaki is hired by her schoolmate Ai to work by her side at a maid cafe. 
But none of them know that somewhere in Akihabara an underground organisation called "Maid masters" abduct young waitresses to confine and rape them...

Arisa and Mika Nanase are sisters and the school super-idols. They are the hottest and cutest girls in the school. Sousuke is a normal student who like the rest of the boys, can only look at the super-idol sisters from afar. Sousuke likes Arisa but can never hope to even speak with her. One day Mika tells him she want to speak with him after school. Later, he meets with Mika and Arisa and they reveal that they have now become siblings! The truth is that Sousuke's father, an adventurer, and the Nanase sister's mother, an archeologist, met at an excavating ruin in South America, fell in love, and married. 
Mika, Arisa, and Sousuke are now siblings and will live under the same roof from now on. Sousuke now has to be careful to not get caught masturbating by Mika or Arisa ...or maybe they might just give him a helping hand... How about taking a bath with Mika? ...Siblings do bathe together after all...

When going back home from school in the usual train line, Miyu's breasts are groped by a train molester, there Shun, her classmate, appears and saves her. He walks her home and teases her about the chikan groping her breasts, plus he also kisses her. 
Miyu runs off to home. The truth is however that the train incident was all a cunning trap plotted by Shun. Back home Miyu regrets having her first kiss stolen, then Kou, her childhood friend appears and due to Miyu losing her key takes her to his home. There Miyu confess her first kiss was stolen, but kou tells her they have already kissed so it was not her first kiss...that night Kou takes Miyu's virginity. 
Next day at school Shun apologizes and invites her home, Miyu accepts not knowing is a trap. There Shun drugs her and trains her as sex slave...se resists it at firs but...After that day when she remembers that she starts masturbating...did she actually liked it? and wants more? what about Kou?

Hot Bear