Ejectment court has NO power to cancel TCT or rule on ownership

Having resolved the preliminary issue, we now come to the question of possession. The disputed property in this case is covered by a TCT issued in the name of the Santiagos. Such certificate of title is a conclusive evidence of their ownership. It does not even matter if their title is questionable, because this is only an ejectment suit. As owners, the Santiagos are entitled to possession of the property from the time Dizon failed to exercise the option within the given period. The latter's possession ceased to be legal from that moment. Moreover, under the second contract (Exh. C), Dizon agreed to vacate and turn over the possession of the property to the Santiagos if she is unable to buy back within the agreed period. Considering that Dizon failed to Comply with that condition, her possession became illegal and therefore may be ousted therefrom. It is not material to determine whether Exh. B (Deed of Absolute Sale) is an equitable mortgage because Dizon's right to possession is subject to the stipulations of the other contract (Exh. C). [G.R. No. 116854. November 19, 1996]