If you are a fan of the "slow burn" subgenre, this is the gold standard. The pacing is glacial, but intentionally so. There are episodes dedicated to a single conversation or a single seedling sprouting. This pacing allows for a level of realism rarely seen in anime. The dialogue is sparse and meaningful; there is no "filler" dialogue, only silence that speaks volumes.
: The protagonist whose life is upended by a terminal illness. His singular focus on passing on his genes drives the various "routes" of the story. Tane o Tsukeru Otoko - Anime Characters Database