Item Description
| title | 僕は妹に恋をする (4) (フラワーコミックス) |
| category | Secret Sweethearts (Boku wa Imouto ni Koi wo Suru) |
| product type | Manga |
| author | Aoki Kotomi (青木琴美) |
| publisher | Shogakukan |
| product line | Flower Comics |
| release date | 2004-2-26 |
| size | 135 pages |
| language | Japanese |
