a dress shirt / a long-sleeved button-down shirt

trevally, striped jack (a kind of fish used in sushi)

chipmunk

(ACG) striped panties, (especially) white panties with sky blue horizontal stripes (a trope in fiction associated with feminine immaturity)

Alternative spelling of ワイシャツ (“button-down shirt”)

binder (material or clothing used in binding or flattening the breasts)

Short for フランネルシャツ (furanneru shatsu, “flannel shirt”).

(informal) boyfriend's shirt

everything

(colloquial) current boyfriend