Iribitari No Gal Ni Mako Tsukawasete Morau | Better

Once, on a morning thick with fog, Mako left a note on the ramen counter. It read: “Be better at being you. —M.” Beneath it, in a different hand, was a little paper crane—this time with Natsuo’s pencil-smudged doodle of the float, and the date.

Given the whole line:

: While there are discussions of it in "anime" social media circles, it is most widely available as a manga/doujinshi. Key Themes to Look For Cohabitation Tropes iribitari no gal ni mako tsukawasete morau better