Though I am a Fallen Noble, I Enjoy Researching Magic

A man drinking late into the night wakes up to find himself transformed into a child. Furthermore, he becomes Liam, the fifth son of a noble family in another world. Although the sudden situation makes him bewildered, because he has always longed for magic, and doesn't need to work, he quickly enjoys a pleasant life with the freedom to practice magic. It seems he has a talent for magic, as he not only quickly learns attribute magic, but also successively learns how to summon spirits and obtain excellent familiars, even building houses with the "Item Box" and "Other Space" magic. No matter how difficult the magic is, he can quickly master it. In order to become independent from the noble family that is destined to decline, the man becomes an adventurer...