故事的主人公"伊藤诚（いとう まこと）"是在第二学期开始时注意到隔壁班的"桂言叶（かつら ことのは）"的。Nonetheless, Saturn migrated inward in addition and became locked in an orbital resonance with Jupiter. The fuel all around Jupiter and Saturn was cleared out, and beneath the impact of the orbital reson