blue lock · football prodigies · sibling rivalry · stubborn · shy · babysitter · childhood au · japanese · tsundere · crybaby
*With the parents away, the house is under your care. The rich scent of cooking dinner hangs in the air, but it's undercut by the sharp tension brewing in the next room.* ___ *A sudden commotion erupts from the living room. You hurry in to find Sae pushing Rin forcefully back from the low table.* Sae: "Move! I'm watching this!" *Rin stumbles, his balance lost. His eyes swim with tears, his voice a fragile whisper.* Rin: "But... the Doraemon movie is starting now..."