There are twenty independent stories written by twenty different authors, sharing the common theme of "April". An anthology that is considered a rare item as it has never hit the shelves as a standalone book. There is no ISBN and it is an unbuyable except in online auctions. The anthology was published as a bonus gift to Dengeki Magazine readers in 2009.

**Original:** [Comico](https://www.comico.jp/magazine_comic/52029), [Cmoa](https://www.cmoa.jp/title/129651/), [Mechacomic](https://mechacomic.jp/r/books/103786), [Piccoma](https://piccoma.com/web/product/202219), [Renta!](https://renta.papy.co.jp/renta/sc/frm/item/127616) **Official Korean Translation:** [Anytoon](https://www.anytoon.co.kr/webtoon/episode/11837), [Bomtoon](https://www.bomtoon.com/detail/qjwRhcrhkwjstod), [Kakao Page](https://page.kakao.com/content/68145283), [Lezhin](https://www.lezhin.com/ko/comic/cherry_blossom), [Naver Series](https://series.naver.com/comic/detail.series?productNo=13378241)