Isshin & Ryuuken Doodle

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Yosh! Following a friend's advice, I tried to doodle last night, and I decided to have a go at Isshin and Ryuuken when they were younger, because thenakedcat and I are having way too much fun with the Daddies.

More info on DA.

Link to DA (no preview since it's just a sketch)

X-posted.