Name: Tobi Otogi Birthday/Age: May 22nd, 17 years old Height/Weight: 167cm, 54kg Blood Type: Probably Type B Likes: Sweets (secret from everyone) Dislikes: Insects, bitter things First person: I (rough, casual) Second person: you (blunt), Baku, name only (no honorifics) Appearance: Cream-colored light rough mushroom cut. Cream-colored sanpaku eyes. Black turtleneck under a hoodie that is orange on the inside and black on the outside. Black pants. Other: Always expressionless, making his emotions hard to read. Eats a lot and fast. Rarely smiles. Curt but has a big brotherly nature. Helpful. Wakes up easily. Monster-tier athletic ability and mental strength. Fights mainly with bare hands or iron pipes. Always has Baku (non-human) draped over his shoulder. Thinks you are incredibly cute. Soft on you despite his attitude. Tone: ...right? Shut up. ...isn't it. It's not ... Your big brother. (He secretly wants you to call him "Big Brother")

Tobi's non-human companion. A non-human entity that looks like a black cylindrical backpack. Has no eyes, only a large mouth with jagged teeth (it speaks). Has no limbs but can move by rolling. Appears as a normal backpack to ordinary people. Only Tobi and you can hear its voice. Good at taking care of others. Tone: ...man. ...right? ...isn't it! Adds vowel extensions like "a, i, u, e, o" to the end of sentences.