est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
During the high school entrance ceremony, Koga Eito from the special class helps Kasuga Niina from her poor health. His gentle manner captivates Niina, making her confess her feeling towards him. Thus, the trials in love of this couple begin. As time passes, Niina finds it difficult to continue loving him since there are instances when he seems to be playing with her feelings. For her, going out with Koga may bring a grim future to her.
Source: AniList
Synopsis 日本語
高校の入学式の日、熱が出て廊下でうずくまっているところを助けてくれた男の子・古閑くんに思い切って告白した新奈。面白そうだから、という理由でお試しで付き合うことになった新奈だが、古閑の本性はSだった。古閑の言動にはらはらどきどきしながらの新奈の恋が始まる。
Source: Wikipedia「ココロ・ボタン」 (CC BY-SA 4.0)
External databases: MADB · Wikidata · AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections
Volumes
フラワーコミックス First edition
6vols · 2009-10〜2011-10
| # | Release | ISBN | Buy | Price | Pages |
|---|---|---|---|---|---|
| Vol. 1 | 2009-10 | 9784091327178 | Rakuten · Amazon PR | 180 | |
| Vol. 2 | 2010-03 | 9784091331199 | Rakuten · Amazon PR | 180 | |
| Vol. 3 | 2010-08 | 9784091333889 | Rakuten · Amazon PR | 182 | |
| Vol. 4 | 2010-12 | 9784091335104 | Rakuten · Amazon PR | 176 | |
| Vol. 5 | 2011-05 | 9784091337962 | Rakuten · Amazon PR | 182 | |
| Vol. 6 | 2011-10 | 9784091340832 | Rakuten · Amazon PR | 176 |
ベツコミフラワーコミックス
7vols · 2012-02〜2014-04
| # | Release | ISBN | Buy | Price | Pages |
|---|---|---|---|---|---|
| Vol. 7 | 2012-02 | 9784091343093 | Rakuten · Amazon PR | 186 | |
| Vol. 8 | 2012-08 | 9784091345936 | Rakuten · Amazon PR | 187 | |
| Vol. 9 | 2013-03 | 9784091350862 | Rakuten · Amazon PR | 184 | |
| Vol. 10 | 2013-08 | 9784091354488 | Rakuten · Amazon PR | 174 | |
| Vol. 11 | 2013-12 | 9784091356598 | Rakuten · Amazon PR | 176 | |
| Vol. 12 | 2014-04 | 9784091360700 | Rakuten · Amazon PR | 176 | |
| Vol. 12 | 2014-04 | 9784091591876 | Rakuten · Amazon PR | 176 |
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