Kamigami no Inai Hoshi de Boku to Senpai no Uhauha Zabun [First Volume] (DENGEKI) [Light Novel]

[Machine Translation] After many twists and turns, Sumiaragi and Demi concluded a formal partnership agreement with their "senpai" (senior). The terraforming work on the planet's rotation and axis had been decided, and the next step was how to acquire "water". The team of the Game Department came to the upper reaches of the Tama River, which flows through Fussa City, west of Tachikawa, and was conducting a raging river spirit invocation.... The game team was in the upper reaches of the Tama River in Fussa City, west of the Rikugawa River, and was conducting a ritual of incantation of the raging river spirit. What is the purpose of this mysterious, busty beauty who seems to know about Sumiaragi's past? It's summer! Swimsuits! New episodes! The curtain rises on a summer camp filled with big-breasted and beautiful seniors!

紆余曲折を経て“先輩”と正式なパートナー契約を結んだ住良木・出見。惑星のテラフォーム作業は自転と地軸が決まり、次の段階として“水”をどう獲得するのかという話に。そんな訳で立川の西、福生市を流れる多摩川の上流にやって来たゲーム部一行は、荒れ狂う川の精霊の調伏を行っていたが...。「出見、―元気そうで何よりですのね」住良木達の前に現れた新たな神の実在顕現。住良木の過去を知る素振りを見せるミステリアスな巨乳美女の目的とは―?夏だ!水着だ!!新エピソードだ!!!巨乳で美人な先輩達とのウハウハでザブーンな夏合宿が幕を開ける!