Toilet seat device and toilet device

A toilet device, comprising:

• a flush toilet including a bowl and a rim, the bowl receiving excrement, an upper edge part being formed of the rim;
• a toilet seat mounted on the flush toilet, the toilet seat being where a user is seated;
• a sterilizer generating sterilizing water;
• a sprayer disposed lower than the toilet seat in a state in which the toilet seat is mounted on the flush toilet, the sprayer spraying a mist of the sterilizing water into the flush toilet;
• a blower generating a rising air stream by blowing air into the flush toilet;
• and
• a controller controlling the sterilizer, the sprayer, and the blower,
• the controller controlling the sprayer to execute a first process and a second process and cause a total amount of the mist of the sterilizing water sprayed in the first process to be less than a total amount of the mist of the sterilizing water sprayed in the second process, the first process and the second process being executed at different timing in a state in which the controller controls the sprayer to spray the mist of the sterilizing water into the flush toilet, the first process including controlling the blower to generate a first rising air stream capable of lifting the mist of the sterilizing water toward the toilet seat, the second process including the blower not generating the first rising air stream and not lifting the mist of the sterilizing water toward the toilet seat.