Ep. 3: The sole survivor explores the Gate's interior and finds a glowing flower while Mai misses her train.

3

A man, identified as the sole survivor of his expedition, ventures into the interior of the Gate. During this exploration, he encounters and discovers a flower that emits a distinct glow. The narrative then shifts to the present day, where Li is shown having breakfast before stopping by a small store. In a separate scene, a schoolgirl named Mai Kashiwagi fails to catch her morning train. These distinct events unfold simultaneously, highlighting the solitary journey of the survivor and the mundane routines of the characters in the current timeline.