Bride On Loan
Complete | tsujita ririko | 2000 released
*One shot Magician found a girl with exceptional gift in magic that is yet to be discover and offer her older sister money in exchange of lending her to him for some years until she becomes a full-pledge magician. But then he never return her and became a lifetime loan(wife). Story is extremely short, summarization above is like the whole story and I really really wish it's longer.. just what you expect from the same creator of Koi dano Ai dano.
Gokusen