Slice-of-life is an unorthodox manga genre that captures the magic of day-to-day mundanity and embraces the beauty of routine existence. For many, understanding the appeal of a genre that lacks any thrilling narrative conflicts or dramatic challenges is outright impossible, as it goes against most conventions of engaging storytelling. Yet, while the slice-of-life fan community in anime and manga is small, it remains dedicated to seeking out and supporting some of the quietest, most overlooked personal narratives in the medium.
Source:https://www.cbr.com/best-slice-of-life-manga-ranked/