yeah the theory where the girl lost her memory and in the past was the girlfriend of the guy is strong.
Thats why she says its nostalgic and how he takes notice of that and why he remembers her wearing things she are not wearing in previous chapters.
ahhhhhh i was right!! gosh i just love this title, it's so sweet and has a nice scifi element that isnt too intrusive or adventurous. and the art is so good with expressions.... that tenderness in his eyes! swoon!!
oh damn imagine if she didnt like him and it happened in the real world oh boy hell be charged with the best sexual assault charge humanity has ever seen
Re-reading the chapter. It made SO MUCH sense now. She's wearing the glasses and calling him with -kun, so it's fair that he mistook her for someone else.