Onee-chan-tachi to Amaama Jukenbenkyou

Yuuki is trying to study for his tests, but with cousin Hinata over to help with chores and student council president Kyouka to help with his studying, he can't focus at all.
Kyouka decides to give him a study break with some business-like cum-squeezing, and after Hinata finds out, she sets to sweetly spoiling him herself.
The pair dual i...