Gabriel Dropout, Volume 12 (Gabriel Dropout #84-89)

When Gabriel's older sister Zeruel descends from heaven to spend sometime with her, Gabriel panics until she learns Zeruel's true objective - to play games for the first time! But after Zeruel boots up a dating sim, her paranoia threatens to ruin the experience... Meanwhile, after Satanya makes another dubious purchase from the Hell Shopping Network, she ends up locked in a room with Raphy, and the only way out is to smooch! In any other situation, Raphy would be eager to embarrass Satanya... but she's never kissed anyone before!