I'm not sure who specifically wrote the lyrics for a song titled 'lirik never ending story'. It could be written by the songwriter associated with a particular musical version of 'The Never Ending Story'.
As of now, Uta is indeed alive. The story hasn't depicted anything otherwise. Maybe there'll be changes in the future, but for now, Uta's part in the manga continues with them being alive.
Tanjiro might use his sense of smell to detect hidden threats. Since his sense of smell is super - enhanced, he could sniff out any demons or traps in the way of saving Rengoku. For example, if there are demons disguised as allies, Tanjiro would be able to tell by their scent.
Well, 'terjemahan lirik endings without stories' seems rather unclear. If we break it down, it might refer to the translation of the final parts of song lyrics that don't involve any sort of story - like perhaps just the closing lines of a song that are more about emotions or general statements rather than narrative. However, this is just speculation without more details.
As it stands, it's hard to determine the significance of 'lirik home my first story' without more context. If 'lirik' is meant to be 'lyric', it could potentially refer to lyrics that are central to the story the band My First Story is trying to tell in a particular song.