Adding a red asterisk to required fields using label in LWC

I am trying to add a double or single asterisk to lightning: input tags in LWC, by using "required" tag inside the tag I am able to see the asterisk, but two issues with this are I have to show a red asterisk to some conditionally mandatory issues.

Solution - 

You can use label-hidden variant and put a label.

<template>
    <label>Middle Name</label>
    <abbr title="required" class="slds-required">**</abbr>
    <lightning-input label="Middle Name" variant="label-hidden" aria-required="true" maxlength="80"></lightning-input>
</template>
Location: Delhi, India

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