The Anime Lad
Ichirou supports two younger siblings by drawing manga while trying to survive deadlines without enough assistance. Shiori arrives as an unusually capable applicant and immediately improves the staffing situation. She also brings something distinctly otherworldly into his life before declaring that they are engaged. The household budget has acquired a romantic complication.
Super Eyepatch Fox
Manga artist Ichirou balances looming deadlines with responsibility for his two younger siblings. His last assistants have left, so Shiori's skill arrives at exactly the right moment. Their professional arrangement changes abruptly when she declares them engaged. The opening mixes creative work and family responsibility with a strange romantic premise neither routine can easily absorb.
Gigguku
Ichirou is trying to raise two younger siblings while drawing manga under punishing deadlines, then Shiori arrives with exactly the skill he needs! Before the relief can settle, she declares that they are engaged. The jump from desperate staffing problem to otherworldly romance is HUGE, but the family responsibilities keep everything tied to daily life!
Father's Basement
A sudden engagement declaration is an obvious mechanism for forcing romantic proximity. Fortunately, Ichirou already has concrete responsibilities. He draws manga to support his younger siblings and urgently needs an assistant. Shiori first enters that working life through genuine competence, giving their strange new arrangement something more grounded than the supernatural premise alone.