
Imagine being so shameless and cruel to let your own family member believe that their lover had died AND THEN BLAME THAT LOVER for making him "lose his memories" all while conveniently ignoring the fact that if SOMEONE didn't fucking lie in the first place about someone's death, their family member wouldn't have jumped into the lake in the first place!
WHO TF KILLS ANYONE OVER A LAME ASS FOUNTAIN PEN??????? IT'S LITERALLY JUST A PEN? DOES YOUR CITY NOT HAVE ANY STATIONARY STORES OR WHAT? THAT IS SUCH A DUMB REASON TO KILL SOMEONE, MUCH LESS YOUR OWN SISTER
Rather than dumb, it shows how inherently selfish his personality is. He feels some sort of twisted attachment to specific objects (and apparently people now?) which he obsesses over. I'm assuming his attachment is connected to his first impression over the object, for example he liked the specific fountain pen because it was given to his sister as a reward and not him. And now he obsesses over the teacher because of that impression he got of her standing in the rain. This guy is extremely terrifying since he latches onto the things he wants to own until death parts him from them.
Anyway, sorry for yapping. I"m done lmao