She isn’t even that different from a human. Why would anyone do experiments on her?

You found her in a snowy forest, gave her a name and care.

But Tsuna’s behavior was growing weirder day by day. Her past of an experiments’ victim was no secret, yet her sudden isolation from you puzzled.

“I’ve only ever known how to ruin things,” Tsuna says after you find her by the beach, hugging her knees.