My rating system:

10 - Outstanding!! Near-perfect. (S tier)
9.5 - Excellent! But not as good as 10. (S tier)
9.0 - Great. Crazy good. (S tier)

7.5~8.5 - Very good. (A tier)

6.5~7.0 - Enjoyable and can be recommended to many, but it may not be for everyone (B tier)

6.0 - Enjoyable, depending on the situations and/or mood. (C tier)
5.5 - Watchable. (C tier)

5.0 - Mediocre at best (D tier)

4.75 - Anything lower than this is not worth the time of your life. (F tier)

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