■ Secret After work.:
"Aren't you strangely getting horny whenever you get tired?"
Getting your coworker horny through tiredness from overtime work and drunkenness from alcohol♪

■ Pushy Junior / Oshikake Kouhai (おしかけ後輩)"
At the home of her upperclassman who caught a cold, visits a junior who's more than a friend but less than a lover. She catches him staring hard at her boobs...

■ Liar, You'll Do It Anyway! / Usotsuki Douse Suru Kuseni! (嘘つき どうせスルくせに！):
She's sick of the self-centered way her boyfriend has sex with her.
He begs her for even just intercrural sex, but with his secret intentions his dick is even bigger than usual...

■ Heijitsu no Hiruma kara (平日の昼間から):
After finishing a shower, they're refreshed in the early afternoon.
Skipping classes, lazing around, and when they kiss, the switch gets turned on♪

(Source: DMM)