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Loss of virginity due to love consultation ~Manager writhing in embrace of Ace's best friend~

I...feel it even though I don't like him...!"
--Chika Odaka, a soccer club manager, likes Endo, the ace of the team.
She asks Endo's best friend, Osuga, for advice on what kind of girl she likes.
To her surprise, Endo seems to like girls who are used to playing around, which is the opposite of her, so Chika is depressed.
Then, Oosuka suggests, "Why don't I be your training ground? Chika is depressed because Endo seems to like girls who are used to playing around.
Chika is perplexed, but decides to ask if she can go out with him.
However, Oosuka actually likes Chika, and his jealousy flared up when she asked him for advice, so he lied on the spur of the moment.
Chika is puzzled, but she is still sweet-sounding at the first stimulation.
Oosuka is excited to see her moaning under his fingertips while thinking of another man.
The relationship gradually becomes distorted, and Endo, who is unaware of it, gets involved...