Sector 13 (left) and 66 (right) TESS light curves folded in phase following Eq. 1. The different cycles have been shifted vertically to improve the readability. The vertical grey dotted lines illustrate the phase 0.25 (component A is in front of the observer), 0.5, and 0.75 (component B is facing the observer). The y-axis labels denote the orbital cycle from the first ESPaDOnS observation used in this work.