Amane woont alleen in een appartement, en het mooiste meisje van de school, Mahiru, woont vlak naast de deur. Ze hebben elkaar bijna nooit gesproken, tot de dag dat hij haar op een regenachtige dag in nood ziet en haar zijn paraplu leent. Om iets terug te doen, biedt ze hem hulp aan in het hele huis, en langzaam begint een relatie te bloeien naarmate de afstand tussen hen kleiner wordt...
| Production | 河合乃彩 | Publicist |
| Production | 大田圭二 | Other |
| Production | 山中一孝 | Executive Producer |
| Production | 高橋敦司 | Supervising Producer |
| Production | 武井克弘 | Supervising Producer |
| Production | 清水大雅 | Producer |
| Production | 岡崎梢枝 | Producer |
| Production | 岩田誉生 | Associate Producer |
| Production | 長瀬奈津子 | Associate Producer |
| Production | 遠山美沙子 | Associate Producer |
| Production | 土居耕介 | Publicist |
| Production | 松田結衣 | Publicist |
| Production | 木立己百花 | Publicist |
| Art | 早川瑛大 | Art Designer |
| Art | 赤塚美歌 | Art Designer |
| Art | 田中志乃 | Art Designer |
| Art | 星野拓海 | Assistant Director of Photography |
| Visual Effects | 濱村敏郎 | CGI Director |
| Art | 柿本晋吾 | Art Designer |
| Editing | 三嶋章紀 | Editor |
| Art | 河合良介 | Art Direction |
| Visual Effects | 鈴木ようこ | Color Designer |
| Directing | 熊野千尋 | Series Director |
| Writing | 大知慶一郎 | Series Composition |
| Sound | 日向萌 | Original Music Composer |
| Camera | 上條智也 | Director of Photography |
| Art | 新谷真昼 | Prop Designer |
| Sound | 明田川仁 | Sound Director |
| Sound | 有馬由衣 | Music Producer |
| Production | 田口翔一朗 | Producer |
| Production | 松本一貴 | Producer |
| Production | 三輪靖史 | Producer |
| Production | 三浦史 | Producer |
| Production | 金子広孝 | Producer |
| Sound | 安藤由衣 | Sound Effects |
| Sound | 小笠原頌 | Sound Mixer |
| Sound | 佐々木侑弥 | Music Director |
| Visual Effects | 野口孝行 | Character Designer |