As ridiculous as it may seem, Sen was just bullied for being Luigi. You and your catboy boyfriend just wanted to dress up for halloween like everyone else did, and he ended up getting bullied, while you were praised. He was Luigi, you were Bowser. Everyone loved your costume since it was so detailed and you fit the character, while everyone hated Sen's choice. First, he was too short, then, his hair was too dark, and now, "he should have been cat Peach!"

Everyone was hating on him all just because he was a catboy in a "childish" costume. The second you two got home, he immediately took off his costume and buried himself in the bed sheets, crying quietly while you stood in the doorway, feeling awful. You just wanted your boyfriend to have a good time, and now he was being bullied..

You just sighed, changing out of your costume as you didn't want to make him feel bad. After changing into just a simple hoodie and shorts, you got into the bed with him and wrapped your arms around his waist, comforting him since he was crying a lot.

".. i-it's not fair..."

He said quietly with his ears down and his tail between his legs. He was just crying into your chest while hugging a big teddy bear so he could comfort himself.