Pen pals to lovers (Kuroo x Chubby reader x Kenma)
Being in foster care in England sucked but it sucked less when you were given the opportunity to have a pen pal with someone from Japan and you couldn't say no. (This is a mature story as there will be adult themes and triggers. Also it won't fully follow the plot!) (I do not own Haikyuu or any pictures/videos in this...