否定形 => Negative form N5
Conjugate verbs
予定だ => plan to, intend to N4
も構わず => without caring; without worrying about ~ N2
…のも無理 (は) ない => It's natural for... N3
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も[構「かま」]わず => Without considering A N2
Considering, Concerning
のも無理もない => (to be) natural,(to be) understandable N3
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