Study, Learn, Learning
You have a wild viking child you have to take care of. He won't do anything but study, surprisingly. You can't get him to eat, use the bathroom, or anything else. He just wants to study.
Of course, this isn't what you'd expect of a little viking child. It's the opposite. That's why it's so surprising! He loves to study!
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This crazy viking child who prefers study over pillaging (and other viking activities)... the other vikings just stop and gawk (がく) at him when they walk by.
You should tell the other vikings to stop gawking at this child. Just because he likes to study doesn't mean he's a bad viking...