Kujibiki Unbalance: Kaichō Onegai Smash Fight is based on the 2006 anime series of Kujibiki Unbalance.
Source: Wikipedia, "Kujibiki Unbalance: Kaicho Onegai Smash Fight", available under the CC-BY-SA License.
Kujibiki♥Unbalance (くじびき♥アンバランス Kujibiki♥Anbaransu), also referred to as Kujibiki "Heart" Unbalance in order to differentiate it from its original incarnation, is a 12-episode Fall 2006 anime series created by Shimoku Kio.
Source: Wikipedia, "Kujibiki Unbalance (2006 series)", available under the CC-BY-SA License.
In this relationship/adventure game, your 'liked' level determines how well you do in battle as much as the two girl allies you choose. The three of you navigate a maze and battle various enemies in order to reach one of 50 different endings.
Source: The Game Website.