times and make different decisions to progress the plot in an alternate direction. In the versions released since the original, there are six bonus minigames available that serve to lengthen the experience. The first game is a platform game called "Heart by Heart", in which the player controls a To Heart character in one of the thirty static, non-moving levels. The player's objective is to defeat all of the enemies in the level using various attacks within a time limit. The minigame also features a two-player variation, in which the players may compete or cooperate with each other within the game's levels. The second, "", is a puzzle game in which the player gains points by forming and eliminating lines of three or more blocks of the same shape. The player achieves this by swapping the preexisting blocks in the game's screen with those in a bank of blocks allotted to them. The third minigame, titled , is a side-scrolling shooter game featuring Serika Kurusugawa. The player's goal is to progress through a horizontally scrolling level, while attacking enemies and dodging their attacks. and are bonus scenarios in which the player is given simulated massages by the characters Multi or Serio using the DualShock controller's vibration function. Lastly, is a minigame that appears in Shiho Nagaoka's scenario, in which Hiroyuki and Shiho attempt to shoot each other with water guns. Development After completing Shizuku and Kizuato, main planner and scenario writer Tatsuya Takahashi began conceptualizing the third entry to the Leaf Visual Novel Series, which would later become To Heart. Takahashi originally considered creating a story with dark fantasy and gothic themes, but changed his approach in order to avoid making three consecutive works with dark themes. He then settled on creating a romance, and later incorporated comical elements. Early in development, Takahashi consulted frequent collaborator Tōru Minazuki for the creation of the story. The two originally considered creating the story and characters entirely by themselves, but after Minazuki expressed his concern that having only six heroines is not enough to exemplify a romance theme, the two asked writer Saki Aomura and illustrator Hisashi Kawata to assist in the project's development. Out of the ten heroines created, Takahashi wrote the scenarios for Akari, Multi, Tomoko, Serika, Aoi, and Ayaka; Aomura authored the scenarios for Lemmy, Kotone, and Shiho; and the scenario for Rio was written by a third writer named