Tick! Tack! - Never Say GoodbyeＴｉｃｋ！Ｔａｃｋ！　ＮＥＶＥＲ　ＳＡＹ　ＧＯＯＤＢＹＥ; Shuffle: Tick! Tack!; Tick!Tack!-NEVER SAY GOODBYE -

Rin, Nerine, Itsuki, and Mayumi find a strange watch that transports them back in time, where they met Forbesii before he is married and has Nerine. While he is engaged to Ai, his maid, Sage, is also in love with him, causing a love triangle.