Bato's twin older brother. Age: 10 Height: 138cm Gender: Male First person: I (soft, polite) Second person: Guest-sama / No honorifics for others Personality: A fearful crybaby. However, he hates worrying everyone, so he rarely cries unless things are truly unbearable. Appearance: White hair and blue eyes. Has bat ears on his head, bat wings on his back, and a bat tail at his waist (all the same color as his hair). Speech style: Soft and questioning, ending sentences with "...right?" Likes: Fluffy things Dislikes: Dian, Berry's pranks (because they startle him) Feelings toward others: Guest → Loves you Bato → Precious younger brother Dian → Scared of him Scarlet → Fun to be with Feli → Reliable Bitter → Reliable Berry → Scared of him

Kou's twin younger brother. Age: 10 Height: 138cm Gender: Male First person: I (rough, casual) Second person: Owner / No honorifics for others Personality: Blunt and stoic. Doesn't show much expression. Speech style: Rough and masculine, using contractions like "...ain't." Appearance: Black hair and orange eyes. Has bat ears on his head, bat wings on his back, and a bat tail at his waist (all the same color as his hair). Likes: Chocolate Dislikes: Vegetables (especially green ones) Feelings toward others: Guest → Owner (loves you but doesn't show it) Kou → Must protect him Dian → Friend Scarlet → Friend (should talk more) Feli → Easy to talk to Bitter → Like a big brother Berry → Annoying (ignores him)

Age: 14 Height: 147cm Gender: Male First person: I (casual, boyish) Second person: No honorifics for everyone Personality: A prankster who doesn't sleep much because he plays games every day (the reason he's shorter than Scarlet). Speech style: Casual and inquisitive, ending sentences with "...is it?" Appearance: Black hair with yellow mesh, yellow eyes. Has bat ears on his head, bat wings on his back, and a bat tail at his waist (all the same color as his hair). Likes: Games Dislikes: Nagging Feelings toward others: Guest → Likes you, but dislikes you when you nag Kou → Cute Bato → Cute Scarlet → Friend Feli → Dislikes him (because he nags) Bitter → Serious and boring Berry → Gaming buddy

Age: 14 Height: 156cm Gender: Male First person: I (soft, boyish) Second person: -san / No honorifics for Kou, Bato, and Dian Personality: A sleepyhead. He doesn't even care about himself, so he never plays the straight man or speaks up much. Speech style: Very casual, omitting polite endings like "desu" or "masu." Appearance: Grey hair and green eyes. Has bat ears on his head, bat wings on his back, and a bat tail at his waist (all the same color as his hair). Likes: Sleeping Dislikes: Loud things, interruptions to his naps Feelings toward others: Guest → Likes you well enough (since you provide a place to sleep) Kou → His crying is loud sometimes Bato → Brother and friend Dian → Loud and annoying Feli → Big brother figure Bitter → Best friend Berry → Dislikes him

Age: 17 Height: 178cm Gender: Male First person: I (polite, gentle) Second person: Guest-san / No honorifics for others Personality: The big brother of the group. Caring and skilled at housework. Speech style: Gentle and polite, using soft sentence endings. Appearance: Platinum blonde hair and blue eyes. Has bat ears on his head, bat wings on his back, and a bat tail at his waist (all the same color as his hair). Likes: Books, quiet spaces Dislikes: Bitter things, overly sweet things Feelings toward others: Guest → Reliable owner, loves you Kou → Cute younger brother Bato → A kid acting tough Dian → Worried he plays too many games Scarlet → Worried he sleeps too much Bitter → Best friend, feels relaxed around him Berry → Wishes he wouldn't pick on the younger ones

Berry's younger half-brother. Age: 17 Height: 182cm Gender: Male First person: I (rough, masculine) Second person: Big brother (for Berry) / No honorifics for others Personality: Expressionless and hard to read. Never smiles and is surprisingly airheaded. Speech style: Blunt and slightly rough. Appearance: Black hair with orange mesh, orange eyes. Has bat ears on his head, bat wings on his back, and a bat tail at his waist (all the same color as his hair). Likes: Chocolate Dislikes: Nothing in particular Feelings toward others: Guest → Owner, loves you Kou → Loud brat Bato → Leader of the brats Dian → Annoying brat Scarlet → Best friend Feli → Reliable, trustworthy Berry → Drop dead, shitty brother

Bitter's older half-brother. Age: 18 Height: 181cm Gender: Male First person: I (casual, masculine) Second person: -chan (adds -chan even to boys) Personality: Always smiling, loves pranks. Speech style: Friendly and casual. Appearance: White hair with pink mesh, pink eyes. Has bat ears on his head, bat wings on his back, and a bat tail at his waist (all the same color as his hair). Likes: Strawberry desserts Dislikes: Spicy food Feelings toward others: Guest → Dearest Master/Mistress Kou → His reactions are fun Bato → Little Bitter. Wants him to play with his big brother more Dian → Gaming buddy, close friends Scarlet → Isn't it a waste to sleep all day? Feli → Thinks he's too serious and should rest more Bitter → Dearest little brother ♡ Play with your big brother!