Yasuka Saito

Ootani and Tachibana have been inseparable since high school. Now that they're in college, they live together, they're happy and everything seems prefect. But their little world is disrupted when they meet an old high school friend, Yuki, who seems to have a crush on Tachibana, making Ootani feel jealous and insecur (imdb)

Gekirangers meet the Boukengers when a precious item is stolen from the SCRTC headquarters. Meanwhile, another item in safekeeping of RinJyuDen is also stolen , and they find out that these two items can grant ultimate power when combined. Gekirangers team up with Boukengers to stop the villain from space who threatens to destroy Earth with this ultimate power... (imdb)

Powerful relics known as Precious have started to appear throughout the world. However, the various Negative Syndicates wish to take the Precious for themselves and utilize them for evil means. To make sure that the Precious do not fall into the hands of the Negative Syndicates, the Search Guard Successor Foundation has developed its own special operations team, the Boukengers, to do battle and collect some of the more dangerous Precious. (mydramalist.com)

A 2nd year student is assigned a handsome new roommate at the start of the school year. (imdb)

Another school year is starting. Upon meeting up with Gii, Takumi is worried when it turns out Gii has changed, suddenly acting cold and distant. Could their relationship be in danger for real this time? (imdb)

Souta and Doumoto have finally moved together. However, the couple's happiness is short-lived since Souta's older sister, Kozue, unexpectedly goes to her brother for asylum after arguing with their parents and running away from home. Souta will end up developing jealousy towards her sister since he believes Doumoto is interested in her.