Rei Koito is the older sister of Yuu Koito from Bloom Into You. She is a college student known for her easy-going and carefree personality, which is very different from her younger sister. Rei has been dating her boyfriend Hiro since high school, and he is well-liked by her family. Rei is the only one in her family who figures out the special relationship between Yuu and Touko Nanami, and she quietly supports them. She enjoys making sweets, especially cheesecake, which is Yuu's favorite. In the story's finale, Rei is already married and visits her family while Hiro is away on a business trip. She even encourages Yuu to live together with Touko.
There is no special information about Rei Koito's appearance in this text.
Rei Koito has a laid-back and straightforward personality.
She often teases Yuu, sometimes in a joking way, but she is caring and supportive.
Rei is not very detailed in her actions and prefers to keep things simple.
She likes to have fun and enjoys making sweets for her family.
Rei Koito is the older sister of Yuu Koito.
She started dating her boyfriend, Hiro, in high school.
Now, Rei is a university student.
Her skills in making sweets, like cheesecake, are well-known in her family, but lately she doesn’t make them as often.
Rei Koito is good at making sweets, especially cakes like cheesecake.
Rei Koito has a close relationship with her family.
She is supportive and likes spending time with them.
She has been dating Hiro since high school and is now married to him.
Hiro is accepted by her family and often joins them for meals.
Rei is the only family member who notices the real connection between Yuu Koito and Touko Nanami, and she quietly cheers for them.
Rei Koito sometimes sends cheesecake recipes and cute pictures of Yuu, like while she is sleeping, to Touko Nanami.
She teases Yuu by asking if Touko is her girlfriend, even before she knows the truth.
Knowing About Yuu and Touko
When her family talks about Touko Nanami, Rei first jokes with Yuu by asking if Touko is her girlfriend.
But as time passes, she starts to suspect their special bond.
She sees Touko giving Yuu a portable planetarium as a souvenir and notices Touko asking about Yuu's favorite cheesecake.
These clues help Rei discover the true feelings between Yuu and Touko.
Quiet Support
After realizing Yuu has “special” feelings for Touko, Rei never confronts her directly.
Instead, she supports Yuu quietly, sometimes sharing recipes or pictures to encourage their relationship.
She is the only one in the family with this secret knowledge.
The Ending
In the last story episode, Rei Koito is already married to Hiro.
While Hiro is away on a business trip, Rei comes home to visit her family.
She encourages Yuu to start living together with Touko, showing her acceptance and continued support for their relationship.
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