Monster Girl Encyclopedia World Guide - Side 1.5: Wilmarina's Honeymoon

Monster Girl Encyclopedia World Guide - Side 1.5: Wilmarina's Honeymoon (魔物娘図鑑わーるどがいど外伝1.5ウィルマリナ新婚旅行記), often referred to as World Guide Side 1.5, is a world guide supplement by Will featuring an account of Wilmarina's honeymoon with her husband (presumably Elt) in the nation of Dragonia. This is a filler publication, replacing the delayed World Guide Side 2 at Comiket 92.

The book was announced via a post on Will's twitter account.

Synopsis
The book presents an account of Wilmarina's honeymoon with her husband in the nation of Dragonia. It presents a previously mentioned character, the queen's sister(A girl she monsterized, to be more exact.), a variety of magical items and foods, along with Wilmarina's plan to develop Lescatie into a tourist attraction. The book also features some of her notes, ranging from to-do lists to quotes from various characters.