[Streaming only] A serious battle where you lose if you cum! The more you pedal, the more intense the pistons become on the ACME bicycle, and you go wild while trying to hold back from cumming! Will Mao Hamasaki, who is experiencing an ACME bicycle for the first time, be able to win this extreme battle? The more you pedal, the more intense the pistons become on the ACME bicycle, and she urinates a lot! "I'm not the kind of woman who comes from just a bicycle!" This is the only place where you can see the Mao Hamasaki! "I said it was dangerous, but I didn't say I'd cum!" She plays it tough until the end, but what will the outcome be...?