YOU'RE CONFESSING TOO FAST!There's still the childhood friend, sciencey senpai, and stepbrother flag-Ah!BloodBog Route 2: Tuesday SuspenseWhat suspense?!They won't be returning any time soon.And your father is on a business trip.IT WAS THOSE GUYS' FAULT!He went on a field trip.Heheh... How unfortunate for you.Wh-Where's my beloved pure and innocent stepbrother...?!Those... are some normal, fairly common circumstances you've set up there.