This is Tigerlily, she's Sera's little sister (born a few years after Sera's mother stops being MIA) She looks innocent, is innocent, loves cats and other fluffy animals, and she could break a wooden plank on her knees if she wanted to she IS the daughter of two very high ranking military generals after all also she may be smiling upon meeting someone new but that's just her way of masking the fact she's figuring out all your weak spots and locating every escape route she also has like 10 rolls of cat stickers under her beanie which she slaps on things that aren't family friendly (eg. her brother)