Uchuu Ryuugakusei Moru
1 parts
Tatsumi, a pragmatic boy who doesn't make friends nor goes out for fun, meets Moru, an exchange student from space. And yet, he ends up accompanying her, although reluctantly, when she asks him to show her around the Earth...?! (Source: Shueisha, translated)
Parts, ranked
Every entry of this series by aggregate score — the sub-ranking inside the ranking.