S1, E1: Mukai Naoya is in a relationship with Saki Saki, but another girl, Mizuse Nagisa, asks him out; he makes the unthinkable decision of asking them if they would be up for both dating him at the same time.

S1, E1: Mukai Naoya is in a relationship with Saki Saki, but another girl, Mizuse Nagisa, asks him out; he makes the unthinkable decision of asking them if they would be up for both dating him at the same time.