Sure~
*backs to thinking of a nickname*
how about kei-chan? Hmm... Too cool.. Nope... Tou-chan?? ... Sounds like touichi... No... Tantan? ... Sounds like Japanese noodles... :/ how about meimei??? Hmmmm... That's sister in Chinese... Wrong gender... Or memechan?? sounds like my friends name...
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*continues pondering*