Liar-soft - Cannonball Neko Neko Machine Mou Race Final (eng) - Adult Sex Game

There is a big race event in space called Cannonball!
People living in the harsh space environment enter this huge interstellar event with big dreams and excitement in their hearts. The winner gets a huge reward, or at least that's what has been promised...
Fifteen riders are qualified to enter this race that will take on various courses...