# based on novel or book

8.2

Sword Art Online

2012OAV

8.3

Another

2012OAV

8.0

Goblin Slayer

2018OAV

8.2

Saga of Tanya the Evil

2017OAV

7.2

Japan Sinks: 2020

2020OAV

8.1

86 EIGHTY-SIX

2021OAV

7.4

Heidi: Girl of the Alps

1974OAV

8.4

Future Boy Conan

1978OAV

7.8

Baccano!

2007OAV

7.7

In/Spectre

2020OAV

8.3

Welcome to the N-H-K

2006OAV

7.4

Fate/Apocrypha

2017OAV

7.7

3000 Leagues in Search of Mother

1976OAV

8.3

The Tatami Galaxy

2010OAV

8.2

Nobody's Boy: Remi

1977OAV

7.7

From the New World

2012OAV

7.8

The Genius Prince's Guide to Raising a Nation Out of Debt

2022OAV

8.0

Sound! Euphonium

2015OAV

7.0

Parallel World Pharmacy

2022OAV

7.5

Nadia: The Secret of Blue Water

1990OAV