This game is real-time strategy game where the player must choose 5 Touhou characters to create an army from and defend Patchouli's library from swarms of oncoming attackers that are after the books.

Being unable to bear the frequent raids by Marisa, Patchouli Knowledge was determined to strengthen the defenses of the library.

Faithful and strong soldiers were needed in place of the worthless maids.

With that thought in mind Patchouli set into order the manufacturing of golems which when infused with the hair of certain proprietors successfully took both their form and abilities.

At that time, protection of the library was supposed to be certain...