Kimi ga Suki. THE ANIMATION

Episode 1

Natsu to Jun
The last summer vacation of a student. A girlfriend (Natsu) invites her boyfriend (Jun) to the fireworks festival because she can get a good view from her room. She has made a big decision. On the day of the festival, Jun is amazed by the power of the fireworks seen from Natsu's room, and when he casually glances over at her... "..." Time seems to have stopped, as he is captivated by Natsu's profile, which stands out against the fireworks. Noticing Jun's gaze, Natsu says something... "Today... my parents... aren't coming home..."

Goukaku H!
The day of the university entrance exam results announcement. Kana, who was accepted into the university of her dreams, is angry at Kei-chan for forgetting the promise from a year ago that they would have sex if she passed, and she boldly demands sex.

Episode 2

Daisuki.
It's Christmas day. In her boyfriend's (Icchan) room, she (Akane) is watching her favorite idol's Christmas live performance. The two are still excited and are playing around... "You have to say 'I love you' to understand ♪" The lyrics of the song playing on the screen suddenly remind her that she has never heard Icchan say "I love you" and she sulks... Icchan is embarrassed but still expresses his feelings in words. And then the two of them make love. They promise to do it live someday.

Will you marry me?
And then, eight years later...

Koiseyo Otome
Determined to lose her virginity today, Mizuki heads to her boyfriend's (Kento) room with determination. However, her plan fails miserably, and Mizuki stands on the bank, crying out her feelings as she looks towards the setting sun. "Ah... that's right... that's..." she says, turning around to see Kento. In a panic, Mizuki falls and has to be nursed back to Kento's room. In the awkward atmosphere, Mizuki makes up her mind and hugs him. "If you send me home like this... I'll be angry..."

(Source: PinkPineapple, translated)