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.
I'm the happiest person on Earth.
.أنا أسعد شخص على وجه الأرض
Ich könnte glücklicher nicht sein.
Soy la persona más feliz del mundo.
Soy la persona más feliz del mundo.
Je suis le plus heureux des hommes.
Sono la persona più felice del mondo.
Sou o cara mais feliz do mundo.
Во всём свете 
нет никого счастливей меня!