Gahkthun of the Golden Lightning Final by Liar-soft - Adult Sex Game

The story of Gahkthun is an exciting tale of steam-punk fiction, which follows Nikola Tesla in a 19th century world drawing on the Lovecraft mythos. Armed with his electrical inventions and keen intellect, Tesla infiltrates an academy city, The Academia, in pursuit of secret society that is using the students to develop and test fearsome new technological powers. Written by Sakurai Hikaru, author of Fate/Prototype, Gakkougurashi, Game of Laplace, and Fate/Extella, Gahkthun holds countless mysteries to uncover within its action and intrigue.​