RE:TEEN - MAYU NO NAKA DE MOU ICHIDO 10-DAI NO KIMI TO AU

Proper Japanese Title: re：teen 繭の中でもう一度10代のキミと会う Originally serialized in Comic Dengeki Daioh. — Description from Comic Vine community (comicvine.gamespot.com · https://comicvine.gamespot.com/reteen-mayu-no-naka-de-mou-ichido-10dai-no-kimi-to/4050-99175/).