| name | Himitsu: Yui ga Ita Natsu |
| format | Dreamcast |
| company | Starfish |
| role | Publisher |
| specificrole | |
| credited | Yes |
| name | Himitsu: Yui ga Ita Natsu |
| format | Dreamcast |
| company | Starfish |
| role | Developer |
| specificrole | |
| credited | Yes |
| name | Himitsu: Yui ga Ita Natsu |
| file | Himtsu DC JP Back.jpg |
| filepage | |
| name | Himitsu: Yui ga Ita Natsu |
| file | Dorimaga JP 20010727 2001-05.pdf |
| filepage | 41 |
| name | Himitsu: Yui ga Ita Natsu |
| file | Dorimaga JP 20021011 2002-18.pdf |
| filepage | 34 |
| name | Himitsu: Yui ga Ita Natsu |
| type | 0 |
| console | DC |
| region | JP |
| date | 2001-07-26 |
| rrp | 5,800e |
| code | T-46101M |
| code2 | |
| rating | all |