Heaven's Lost Property

"Peace and quiet is the best!" That's the motto of everyday high schooler, Tomoki Sakurai. But his peaceful life is being torn apart after the girl Ikaros suddenly fell from the sky one day. She calls herself a "Pet-class Angeloid", and Tomoki her "Master" because he's the first person on Earth she met. Also, she has the mysterious power to make all his wishes come true!

Sohara is in a bad mood after seeing Sakurai on top of Ikaros and getting the wrong idea. Ikaros hastily chases after her and, as such, Ikaros follows him to school. A card that Sakurai receives from Ikaros glows, and in that instant, Sohara's panties come off and go flying into the sky. It doesn't take much time at all before all the girls in school's panties are flying off into the sky!

Tomoki, suffering from a never-ending amount of math homework, decides to have Sugata-senpai help him out. President Satsukitane leads him to Sugata's home, only to find that it's a tent pitched next to a river! Tomoki and the gang have fun camping next to the river after finishing their homework. Ikaros is told to go shopping for ingredients when they all decide to make curry, but...

The flock of panties that flew off into the sky in Episode 2 have returned to Tomoki! Tomoki is estatic, but Sohara uses one of Ikaros's cards to make it so that any panties Tomoki sees will explode. Tomoki decorates his house with all of the panties, without knowing what Sohara has done. Will Tomoki be able to escape from his home with panty explosions looming around every corner? It's the first real action in "SoraOto"!

Long story short, Tomoki's house is destroyed. Wandering aimlessly, in search of a place to stay, Tomoki and Ikaros are lent a hand by the class president, Satsukitane. Sohara and Sugata join the mix as they are invited to the home of the town's #1 big shot. They are given a warm reception. But, when they wake up in the morning, there's an angry mob with them!

Summer vacation. The entire New World Discovery Club heads to the beach. Tomoki is surrounded by attractive girls in their swimsuits, but ends up having to deal with Ikaros. Sohara explodes with jealousy as Tomoki has his full attention on Ikaros. Ikaros shows another frightening side of herself because of a small situation and the second Angeloid...