For some reason the name of this manga/anime keep slipped my mind. I'm looking for a certain anime/manga where a following conversation take place:

............
Char 1: but you liked [name], right?

Char 2 (not really paying attention): yeah...............wait I mean......(mumbling)

Char 1: haha you let your guard down.
...............

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Signatures are for people who have too much time and ideas, I lack the idea part....