Two cute girls in my class are competing for me...!

Two cute girls in my class are competing for me...! Can I come by your house because I'm curious about the rest of the anime?" Yuri and Mana come to Yusuke's (the main character) house after school because of these circumstances. While spending time in their room, Mana likes Yusuke and they get close to each other...! Yuri finds out and asks Yusuke about his true intentions, and eventually a love triangle ensues...!