Goukaku no Tame no! Yasashii Sankaku Kankei Nyuumon
合格のための！やさしい三角関係入門
Mayuki Yukishita is determined to pass her exams and join the same school as Akira, the senpai she admires. After failing a mock test, her mother arranges for a private tutor, Rin Mochizuki. Rin attends the same school as Akira and is involved in a polyamorous relationship. She takes Mayuki's first kiss and shares a closer connection with Akira than Mayuki is aware of.
