| Fact | Source | |---|---| | – Momose Akira appears as a background character in Volume 5 (a student holding a textbook labeled “Romance Theory”). | Author’s commentary page. | | Hidden Easter Egg – The number “13” appears on every cover (volume 1 through 12) as a subtle nod to the “unlucky first love” superstition. | Fan analysis on Twitter. | | Real‑World Inspiration – The school’s “Hatsukoi Festival” is based on an actual event held at Momose’s alma mater, Osaka Prefectural High School. | Interview in Manga Times (Feb 2020). | | Voice Actor’s Connection – Yui Hasegawa (Miyu’s voice actress) also voiced the protagonist in the popular mobile game Love Live! School Idol Festival . | Official casting announcement. | | International Fan‑Art Contest – In 2021, the publisher held a worldwide drawing contest; the winning piece was featured on the back cover of Volume 9. | Contest flyer archived on the publisher’s website. |
| Date | Event | |---|---| | | Debut in Weekly Shōnen G‑Force (Issue #12). | | Oct 2018 | First tankōbon (Volume 1) released; quickly rose to #12 on the Oricon manga sales chart. | | Jan 2020 | Limited‑edition “Spring Love” box set with a bonus mini‑artbook. | | Jun 2021 | Series announced for a live‑action adaptation (later cancelled due to scheduling). | | Jul 2022 | Final chapter published (Issue #31). | | Nov 2022 | Complete digital collection released on major e‑book platforms (Comixology, BookWalker). | momose akira no hatsukoi hatan-chuu.
A: It’s a neologism created by Momose Akira for the series, blending “ハタン” (a playful onomatopoeia for a fluttering heart) with “中” (meaning “inside” or “midst”). It has since been adopted by fans as shorthand for being “in the middle of a love storm”. | Fact | Source | |---|---| | –