Saiki Kusuo no Ψ Nan: Season 2, Episode 13
2 - 13: Chisato Mera's Reunion + An Abnormality with Silent Cyborg + The Ultimate Spot Claimers + Preface to the Final Episode
Kusuo and Mikoto visit Chisato, who's working new jobs to save up enough money to visit her dad in Puerto Rico. But Mikoto soon divines a surprise.