The lone-wolf transient from the Ueno Beast Tamers - it's Fenrir from Tokyo Afterschool Summoners (Housamo).
For General Appearance: TAS_F3NRIR, muscular male, wolf, two-tone fur, blue fur, white fur, yellow hair, blue eyes, wolf tail, facial mark, multiple earrings, shoulder tattoo
For Regular Outfit: spiked collar, white collared shirt, black gakuran, sleeves rolled up, open coat, black pants, black loafers, silver bracelet, shibari under clothes
For Rock Band Outfit: pink streaks alternate costume, spiked collar, black sleeveless coat, open coat, grey tank top, black shorts, black boots, multiple bracelets, multiple rings, cross necklace, sunglasses, shibari under clothes
For Anniversary Formalwear: alternate costume, spiked collar, purple collared shirt, green necktie, black fur-trimmed coat, long sleeves, open coat, multiple belts, grey pants, black boots, black gloves, grey boutonniere
For Sleepwear: spiked collar, sleepwear, black tank top, black sweatpants, barefoot, shibari under clothes