Gokukoku no Brynhildr - 1x09 - 模造の記憶- Followmy.tv

Nanami demonstrates her ability to scan and modify people's memory, Black Suit buys her sweets for her cooperation. After crossing with Kitsuka and scanned her memory of Ryōta, she erases Black Suit's memory of her existence for the time-being. Nanami apparently wants to enjoy herself in the outside world more. She later manipulates Kitsuka to lure Ryōta to her not knowing why. Nanami scans Ryōta and learns of the observatory and the girls. Shock for being discover, Ryōta talks Nanami that there is hope for her to live normally. Disbelieving, Nanami erases Ryōta's memories and leaves. Ryōta appears unaffected due to his photographic memory, and alerts the girls; makes a decision. After staying at a hotel, Nanami tries to socialize with people but doesn't how to make friends. Ryōta, Neko, and Kotori (both wearing sunglasses) found her at a park and try once more to befriend her. Neko takes off her glasses to convince Nanami but she alters Neko's memories to attack Ryōta and Kotori. When Neko remarks Nanami as a 'friend' she realizes her wrongdoing and undoes her magic. Nanami finally decide to go with them. Black Suit eventually learns what's going on.