192 pages; soft cover; B&W

Nasa's teaching gig at a girls' school has introduced the gang to new friends and new opportunities for fan service, but none of the students is as puzzling as Kaguya, the brilliant, mercurial "princess" with an unknown connection to Tsukasa. It'll take the full force of Nasa's brainpower to get to the bottom of this mystery, but unfortunately he's too busy digging a pit in the yard so his wife can watch him get all sweaty. Oh well. He can cool off with a chilling visit to a haunted mansion!