At first, I didn't notice. I mean, I noticed how kind and caring she was, but I was oblivious to the fact that I was slowly but surely falling for her. She had this aura, this innocence and purity that drew people to her. Everyone saw her as 'sefure' – pure and untouched.
That was the moment I knew I had to protect her, to be there for her. Because in her purity and innocence, I saw something I wanted to preserve, something precious.
The fourth episode is part of the second season (episodes 3 and 4 were released together). One viewer noted that while these are episodes 3 and 4 of the anime, they correspond to "Part 2" of the original doujinshi.