VNDB link: https://vndb.org/v433
Youtube walkthrough: https://www.youtube.com/playlist?list=PLs4Gp5VU4Fv8FJtK-V943T3Tubn32ekIB
Structure: 13 days
Length: 4-5 hours x 4 routes
Game type: Vampire wars SF story.
Difficulty: Easy since there are only 4-5 choices in the game. But choices are absolutely not connected with either heroine, so it may be very painful to find the leftover one-tow routes without walkthrough.
Character Design rating: 6/10
Protagonist rating: 7/10
Story rating: 8/10
Game quality: 6/10
Overall rating: 7/10