Item Description
| title | 国民的アイドルが弟になったら 4 (フィールコミックス) |
| category | If a National Idol Became a Younger Brother (Kokuminteki Idol ga Otouto ni Nattara) |
| product type | Manga |
| author | Tada Manami (ただまなみ) |
| publisher | Shodensha |
| product line | Feel Comics |
| release date | 2020-10-8 |
| size | 192 pages |
| language | Japanese |
