Move common methods to mixin
Move common methods to mixin

vampiricwulf/tanoshiine,vampiricwulf/ex-tanoshiine,vampiricwulf/ex-tanoshiine,vampiricwulf/ex-tanoshiine,vampiricwulf/tanoshiine,vampiricwulf/tanoshiine,vampiricwulf/tanoshiine,vampiricwulf/ex-tanoshiine,vampiricwulf/tanoshiine,vampiricwulf/ex-tanoshiine