Sayonara No Sora Ha Ano Aoi Hana No Kagayaki to Yoku Niteita

[Machine Translation] Shinon (ko-senior) is not good at socializing and has trouble with words, so she has been living a solitary life even after moving to a new school. One day, while singing alone on the beach, guitar in hand, to a song that her late mother loved, "Yasasanashii wo Mawareta Narara (If You Were Wrapped in Tenderness)," a stranger calls out to her, "Will you sing with me! I ran away in a panic. The next day, he appears in front of her in his school uniform, takes her hand and runs away. He takes her to the rehearsal hall of the band for which he plays the guitar.

人付き合いが苦手で言葉がつっかえやすいことから、転入先でも孤独な日々を送っていた心音(高三)。ある日海辺で、亡き母が大好きだった曲『やさしさに包まれたなら』をギター片手にひとりで歌っていると、見知らぬ男性に「俺と、歌ってくれんか!」と声をかけられる。慌てて逃げ出した翌日、心音の前に制服姿で現れた彼は、強引に心音の手をとって駆け出す。連れて行かれた先は、彼がギターを担当するバンドの練習場で―!?